---
title: "Developer Tools - Air Market"
description: "1567 listings in Developer Tools on Air Market, with what each one does and who publishes it."
canonical: "https://airmarket.ai/category/devtools"
---

[Air Market](/) / [Categories](/categories) / Developer Tools

Category

# Developer Tools

1567 published listings in Developer Tools on Air Market.

**Published listings, with what each one does**

| Listing | Kind | Publisher | What it does |
| --- | --- | --- | --- |
| [Prototype](/app/prototype) | Skill | Matt Pocock | You are stuck on a design choice and more discussion is not settling it: whether the way you plan to arrange things inside the app makes se… |
| [Triage](/app/triage) | Skill | Matt Pocock | You maintain a project and strangers keep sending issues and pull requests, some clear, many not. Working out what each one is, and whether… |
| [Domain Modeling](/app/domain-modeling) | Skill | Matt Pocock | Somewhere between the code and the people talking about it, meanings drift: the same word starts meaning two things, and nobody agrees what… |
| [Codebase Design](/app/codebase-design) | Skill | Matt Pocock | Say you're sitting down to design a piece of code, or rework an old one, and you need to decide how other code will use it. It's hard to we… |
| [Diagnosing Bugs](/app/diagnosing-bugs) | Skill | Matt Pocock | Something in your project is broken, throwing errors, or has gotten slow, and quick guesses have not fixed it. This gives you a way to work… |
| [Code Review](/app/code-review) | Skill | Matt Pocock | You've been making changes and now you want another look at them before they go further. Tell it where to start counting from - a commit, a… |
| [Wizard](/app/wizard) | Skill | Matt Pocock | Some setup jobs have steps only a human can do: logging in, placing a secret, clicking through a dashboard. This builds a short interactive… |
| [Setup Git Guardrails](/app/git-guardrails-claude-code) | Skill | Matt Pocock | You hand git work to your AI coding assistant, and once in a while it reaches for something destructive: a hard reset that throws away chan… |
| [Resolving Merge Conflicts](/app/resolving-merge-conflicts) | Skill | Matt Pocock | You asked git to merge or rebase, and it stopped because two sets of changes clash. This skill handles that clash for you while it is happe… |
| [Setup Pre-Commit Hooks](/app/setup-pre-commit) | Skill | Matt Pocock | You keep spotting formatting slips and type mistakes after you have already committed them, when they are annoying to untangle. This sets u… |
| [Migrate to Shoehorn](/app/migrate-to-shoehorn) | Skill | Matt Pocock | Your tests are full of `as` casts because the data in them only partly matches the type it is supposed to be. This goes through your test f… |
| [Brainstorming Ideas Into Designs](/app/brainstorming) | Skill | Jesse Vincent | You are about to add a feature, build a component or change how something works. Before anything gets built, this helps you work out what y… |
| [Skill Creator](/app/skill-creator) | Skill | Anthropic | You want your assistant to handle a job the same way every time, so you save the instructions as a skill. This helps you write one from scr… |
| [Systematic Debugging](/app/systematic-debugging) | Skill | Jesse Vincent | Something broke and the temptation is to try a fix and see if it sticks. This gives you a set way of working through a bug, a failing test,… |
| [Writing Plans](/app/writing-plans) | Skill | Jesse Vincent | You have a spec or a list of requirements for a job that takes several steps, and you haven't started coding yet. This helps you write a pl… |
| [Requesting Code Review](/app/requesting-code-review) | Skill | Jesse Vincent | You've finished a piece of work and you're about to merge it, but you're not sure it does everything it was supposed to. This asks for a co… |
| [Test-Driven Development (TDD)](/app/test-driven-development) | Skill | Jesse Vincent | You are about to build a feature or fix a bug, and the tempting move is to start typing the code. This puts the test first instead: you des… |
| [Executing Plans](/app/executing-plans) | Skill | Jesse Vincent | You have written down how a piece of work should be done, and now it has to actually get done. This walks through that written plan in its… |
| [Orca CLI](/app/orca-cli) | Skill | Stably | If you keep several copies of a project going inside Orca, this lets you handle them with typed commands: start work, talk to its terminals… |
| [Subagent-Driven Development](/app/subagent-driven-development) | Skill | Jesse Vincent | You have a plan for building something, and it breaks down into tasks that do not depend on each other. This is for the moment you are read… |
| [Dispatching Parallel Agents](/app/dispatching-parallel-agents) | Skill | Jesse Vincent | Sometimes you have more than one job to do, and none of them needs anything from the others. This is for that moment. It sends each job to… |
| [Writing Skills](/app/writing-skills) | Skill | Jesse Vincent | You want to give Claude a new skill, or fix one you already wrote, and you are not sure it will behave the way you meant. This walks you th… |
| [Using Git Worktrees](/app/using-git-worktrees) | Skill | Jesse Vincent | You are about to start new feature work, or carry out a plan, and you do not want it mixed up with what is already in your current workspac… |
| [Finishing a Development Branch](/app/finishing-a-development-branch) | Skill | Jesse Vincent | You have finished building something, and all your tests pass. Now you have to choose how that work joins the rest of the project. Use this… |
| [MCP Server Development Guide](/app/mcp-builder) | Skill | Anthropic | Say you have a service or an API and you want an AI assistant to be able to use it, not just talk about it. The piece that makes that possi… |
| [Browser Automation with playwright-cli](/app/playwright-cli) | Skill | Microsoft | When you need a browser to actually open a page and do things - clicking, checking, testing - this drives it for you. It also works with Pl… |
| [Supabase](/app/supabase) | Skill | Supabase | You are building on Supabase and hit something that does not behave: a login that will not stick, a permission denied you did not expect, a… |
| [Code Review and Quality](/app/code-review-and-quality) | Skill | Addy Osmani | A careful second look at your code before it merges |
| [Frontend UI Engineering](/app/frontend-ui-engineering) | Skill | Addy Osmani | You have a page or screen to build, or one that needs changing. This helps you put it together: the pieces on the page, how they are arrang… |
| [Performance Optimization](/app/performance-optimization) | Skill | Addy Osmani | Your app works, but it drags, and you cannot tell which part is to blame. This hunts down the slow spots across the whole product, from the… |
| [Spec-Driven Development](/app/spec-driven-development) | Skill | Addy Osmani | You are starting something new and all you have is an idea nobody has written down yet. Reach for this first. It writes a specification so… |
| [Planning and Task Breakdown](/app/planning-and-task-breakdown) | Skill | Addy Osmani | Someone hands you requirements and says build this, and the size of it makes starting feel impossible. This turns the work into ordered tas… |
| [Debugging and Error Recovery](/app/debugging-and-error-recovery) | Skill | Addy Osmani | A test fails or a build breaks, and the code looks fine but refuses to behave. Rather than changing things at random until the error goes a… |
| [API and Interface Design](/app/api-and-interface-design) | Skill | Addy Osmani | When you are about to let other code depend on yours, the names and boundaries you choose now become hard to change later. This offers stea… |
| [Context Engineering](/app/context-engineering) | Skill | Addy Osmani | If you work with an AI agent all day, you know a session that starts off useless or slowly gets worse as you go. This skill fixes how the a… |
| [Incremental Implementation](/app/incremental-implementation) | Skill | Addy Osmani | You are about to write a lot of code in one go and the task feels too big to finish in a single step. This delivers the change in pieces in… |
| [Git Workflow and Versioning](/app/git-workflow-and-versioning) | Skill | Addy Osmani | You make code changes and push them somewhere, but you are never quite sure when to branch, how to shape a commit, or which version number… |
| [Browser Testing with DevTools](/app/browser-testing-with-devtools) | Skill | Addy Osmani | See what your page actually does in a real browser |
| [Source-Driven Development](/app/source-driven-development) | Skill | Addy Osmani | You are building with a framework or library and want your code to follow the way things work now, not an old pattern you picked up somewhe… |
| [TypeScript Advanced Types](/app/typescript-advanced-types) | Skill | Seth Hobson | Sometimes the shape you need cannot be expressed with plain TypeScript annotations, and the compiler waves through things it should reject.… |
| [Doubt-Driven Development](/app/doubt-driven-development) | Skill | Addy Osmani | You have made a call that feels right, but it touches something that really matters: live systems, security, code you do not know well, or… |
| [Radix UI -> Base UI migration](/app/migrate-radix-to-base) | Skill | shadcn-ui | Your React project is built on Radix UI and you have decided Base UI is where you want to be. Making that switch by hand means reworking th… |
| [gws Shared](/app/gws-shared) | Skill | Google Workspace | When a set of commands all sign in the same way and take the same options, you should only have to learn that once. This covers the shared… |
| [Fetch latest workers types](/app/workers-best-practices) | Skill | Cloudflare | You are writing or reviewing a Cloudflare Worker and you are not sure it follows what is recommended for production. This reads the code ag… |
| [Node.js Backend Patterns](/app/nodejs-backend-patterns) | Skill | Seth Hobson | You are writing a Node backend and want it built the way a service that real people hit should be built. This covers Express and Fastify, m… |
| [Git Commit with Conventional Commits](/app/git-commit) | Skill | GitHub | You've finished a piece of work and now you have to stage the right files and write a commit message in the house style. This reads what ac… |
| [Cloudflare Email Service](/app/cloudflare-email-service) | Skill | Cloudflare | Your app needs to send mail people actually receive, or handle mail arriving. This covers Cloudflare Email Service for both directions, inc… |
| [Cache Components Adoption](/app/next-cache-components-adoption) | Skill | Vercel | You turned on Cache Components in your Next.js app and got a flood of errors about routes that block. This turns the flag on and works thro… |
| [Python Testing Patterns](/app/python-testing-patterns) | Skill | Seth Hobson | You need tests for Python code and are not sure how to structure them, or an existing suite has become hard to work in. This covers writing… |
| [Next Dev Loop](/app/next-dev-loop) | Skill | Vercel | Your Next.js change compiles and type-checks, but that is not the same as working. This checks how the app actually behaves while it is run… |
| [Python Performance Optimization](/app/python-performance-optimization) | Skill | Seth Hobson | Your Python program takes longer than it should and you cannot tell which part is to blame. This measures where the time and memory actuall… |
| [Next.js App Router Patterns](/app/nextjs-app-router-patterns) | Skill | Seth Hobson | You are building with Next.js and the newer App Router way of doing things is unfamiliar territory. This covers Server Components, streamin… |
| [Fastify Best Practices](/app/fastify-best-practices) | Skill | Matteo Collina | You are building or fixing a backend server in Node and want to do it the way the framework expects. This guides Fastify work in TypeScript… |
| [Cache Components Optimizer](/app/next-cache-components-optimizer) | Skill | Vercel | You have a page in your Next.js app that feels slow: the screen hangs when it first loads or when you click over to it from another page. T… |
| [Skill Development](/app/skill-development) | Skill | Anthropic | You are writing a skill for Claude Code, either a brand new one or one being added to a plugin, and you are not sure how to put it together… |
| [Sandbox SDK - stable package](/app/sandbox-stable) | Skill | Cloudflare | You are working on a Cloudflare Sandbox app and you want to keep using the stable release rather than the newer one. This helps you build a… |
| [Agent Development](/app/agent-development) | Skill | Anthropic | You are building a plugin for Claude Code and want it to include its own agent, a helper that steps in on its own when the right kind of wo… |
| [Sandbox SDK - @next (1.0 preview)](/app/sandbox-next) | Skill | Cloudflare | You are building on the Cloudflare Sandbox 1.0 preview package and need help with what runs inside it: executing code, running jobs, handli… |
| [Sandbox Migrate To Next](/app/sandbox-migrate-to-next) | Skill | Cloudflare | You have an app built on the stable Cloudflare Sandbox package and you want it running on the 1.0 preview instead. This covers that port. I… |
| [API Design Principles](/app/api-design-principles) | Skill | Seth Hobson | You are designing an interface other developers will have to use, and the choices you make now are hard to take back. This covers REST and… |
| [Code Review Excellence](/app/code-review-excellence) | Skill | Seth Hobson | Code review can turn into either rubber-stamping or a place people dread. This is about doing it well: feedback that helps, problems found… |
| [script (v1)](/app/gws-script) | Skill | Google Workspace | Apps Script projects normally live in a browser editor, which is awkward if the rest of your work is in a terminal. This manages those proj… |
| [Architecture Patterns](/app/architecture-patterns) | Skill | Seth Hobson | A backend where everything depends on everything gets harder to change every month. These are established ways of drawing the lines - Clean… |
| [E2E Testing Patterns](/app/e2e-testing-patterns) | Skill | Seth Hobson | You have browser tests, but they fail for no reason and nobody trusts them, so you end up checking by hand anyway. This covers building end… |
| [Architecture Decision Records](/app/architecture-decision-records) | Skill | Seth Hobson | Big technical decisions get made in meetings and chat, and a year later nobody remembers why. An ADR is a short written record of the decis… |
| [script +push](/app/gws-script-push) | Skill | Google Workspace | You have been editing Apps Script files on your own machine and they now need to reach the actual project. This uploads them. Reach for it… |
| [Vitest](/app/vitest) | Skill | Anthony Fu | You are writing tests for a JavaScript project and want to check your code does what you think. This helps you write those tests, stand in… |
| [Prompt Engineering Patterns](/app/prompt-engineering-patterns) | Skill | Seth Hobson | You wrote a prompt, it works sometimes, and you do not know which part to change. This helps you rework it, build reusable templates, and d… |
| [Command Development](/app/command-development) | Skill | Anthropic | You keep sending Claude Code the same instructions and want to type something short instead. This helps you build your own slash commands,… |
| [Python Design Patterns](/app/python-design-patterns) | Skill | Seth Hobson | A class or function in your Python has grown until nobody wants to touch it, or you are about to add an abstraction and are not sure you sh… |
| [Error Handling Patterns](/app/error-handling-patterns) | Skill | Seth Hobson | Code fails in ways nobody planned for, and the handling ends up inconsistent - some places throw, some swallow, some crash. This covers the… |
| [Modern JavaScript Patterns](/app/modern-javascript-patterns) | Skill | Seth Hobson | You have JavaScript written in an older style and it is harder to read than it needs to be. This covers the modern features of the language… |
| [Plugin Settings](/app/plugin-settings) | Skill | Anthropic | You have built a small add-on and different projects need it to behave differently. This shows you where those choices belong: one settings… |
| [Rust Async Patterns](/app/rust-async-patterns) | Skill | Seth Hobson | Async Rust has its own rules, and code that looks right can still stall or fail in confusing ways. This is help for writing and fixing that… |
| [Writing Hookify Rules](/app/writing-hookify-rules) | Skill | Anthropic | You need hookify to behave a certain way, which means adding a rule, but you cannot remember how hookify rules are written. Ask for help cr… |
| [Vite](/app/vite) | Skill | Anthony Fu | You are in a Vite project and something in the build setup needs attention: the config, a plugin, server rendering, or an upgrade. This cov… |
| [JavaScript Testing Patterns](/app/javascript-testing-patterns) | Skill | Seth Hobson | You have JavaScript or TypeScript code and no real tests behind it, or a test setup nobody wants to touch. This helps you write the tests,… |
| [Git Advanced Workflows](/app/git-advanced-workflows) | Skill | Seth Hobson | Git has a set of tools most people only meet in an emergency: rebasing, cherry-picking, bisect, worktrees, reflog. This is for the moments… |
| [.NET Backend Development Patterns](/app/dotnet-backend-patterns) | Skill | Seth Hobson | You are writing a backend in C# and want to follow the patterns the ecosystem already settled on rather than working them out yourself. Thi… |
| [Opus 4.5 Migration Guide](/app/claude-opus-4-5-migration) | Skill | Anthropic | You are running an older Claude model and want to be on Opus 4.5. This updates the model names in your code and adjusts prompts where the n… |
| [Async Python Patterns](/app/async-python-patterns) | Skill | Seth Hobson | Your Python program spends most of its time waiting - on the network, on a database, on disk - and doing nothing while it waits. Async lets… |
| [Godot GDScript Patterns](/app/godot-gdscript-patterns) | Skill | Seth Hobson | You are making a game in Godot 4 and want to know how things are normally done rather than inventing it each time. This covers signals, sce… |
| [Test Generation with Playwright MCP](/app/playwright-generate-test) | Skill | GitHub | You know what the test should do - the steps a user takes - but writing it out in code is the slow part. Describe the scenario and this pro… |
| [Vue Best Practices Workflow](/app/vue-best-practices) | Skill | Vue AI | Vue can be written several different ways, and mixing them makes a codebase hard to follow. This settles on one approach and sticks to it w… |
| [Conventional Commit](/app/conventional-commit) | Skill | GitHub | Conventional Commits has rules, and remembering them at the commit prompt is a chore. This guides you through writing a message that fits t… |
| [Python Code Style & Documentation](/app/python-code-style) | Skill | Seth Hobson | Your Python looks slightly different depending on who wrote it, and nobody has decided what right looks like. This covers formatting, namin… |
| [OpenAPI Spec Generation](/app/openapi-spec-generation) | Skill | Seth Hobson | Your API has a written description somewhere, and it drifts from what the code actually does. This helps you produce that description from… |
| [.NET/C# Best Practices](/app/dotnet-best-practices) | Skill | GitHub | You have written some C# and you are not sure it holds up. This looks over the code in your project or solution and tells you where it fall… |
| [React State Management](/app/react-state-management) | Skill | Seth Hobson | Your React app's data is scattered and you cannot tell which component owns what, or you are staring at four libraries wondering which to p… |
| [UV Package Manager](/app/uv-package-manager) | Skill | Seth Hobson | Setting up Python projects and juggling dependencies and virtual environments takes more fiddling than it should. This covers uv, a package… |
| [React Native Architecture](/app/react-native-architecture) | Skill | Seth Hobson | You are building a phone app with React Native and the structural decisions are piling up: how screens connect, what happens with no signal… |
| [Python Project Structure & Module Architecture](/app/python-project-structure) | Skill | Seth Hobson | You are starting a Python project, or an old one has become a pile of files nobody can navigate. This helps you decide where code lives and… |
| [Python Error Handling](/app/python-error-handling) | Skill | Seth Hobson | Your Python works when the input is right, and you have not decided what happens when it is not. This covers checking input, organizing you… |
| [JavaScript TypeScript Jest](/app/javascript-typescript-jest) | Skill | GitHub | You are writing tests in JavaScript or TypeScript with Jest and keep making judgement calls about structure and mocking on the fly. This gi… |
| [NuGet Manager](/app/nuget-manager) | Skill | GitHub | You need to add, remove or change the version of a package in a .NET project. This handles it, sticking to the dotnet command line rather t… |
| [Web quality audit](/app/web-quality-audit) | Skill | Addy Osmani | You want to know how your site is doing overall, not just one narrow thing. This runs a broad quality audit covering speed, accessibility,… |
| [Bash Defensive Patterns](/app/bash-defensive-patterns) | Skill | Seth Hobson | Shell scripts tend to keep going after something has already gone wrong, and the damage shows up later. Defensive Bash is the set of habits… |
| [Changelog Automation](/app/changelog-automation) | Skill | Seth Hobson | Every release someone has to sit down and write up what changed. This builds the changelog from your commits, pull requests, and releases i… |
| [Gemini API in Agent Platform](/app/gemini-api) | Skill | Google | You are writing code that calls Gemini, and it needs to work in an enterprise setting on Google Cloud rather than a quick script. This guid… |
| [Code Reviewer](/app/code-reviewer) | Skill | google-gemini | You have written some code and want it checked over before it goes in. This looks at the changes you have made locally, or at a pull reques… |
| [Debugging Strategies](/app/debugging-strategies) | Skill | Seth Hobson | Something is broken or slow and you have been poking at it without getting closer. This gives you a systematic way to hunt it down - how to… |
| [Python Anti-Patterns Checklist](/app/python-anti-patterns) | Skill | Seth Hobson | You are about to finish a piece of Python, or reviewing someone else's, and you want to know if it contains one of the mistakes people keep… |
| [Microservices Patterns](/app/microservices-patterns) | Skill | Seth Hobson | You are splitting a system into separate services, or already have and it's tangled. This helps decide the boundaries, how services talk to… |
| [LangChain & LangGraph Architecture](/app/langchain-architecture) | Skill | Seth Hobson | You are building something on top of a language model and need to decide how the pieces fit: what calls what, what it remembers, what tools… |
| [Core Web Vitals optimization](/app/core-web-vitals) | Skill | Addy Osmani | Your page loads slowly, jumps around as it loads, or feels sluggish when someone taps. Those three things are measured as Core Web Vitals,… |
| [Python Packaging](/app/python-packaging) | Skill | Seth Hobson | You have Python code that works on your machine and other people need to install it. This covers laying the project out, writing the packag… |
| [Game Engine Skill](/app/game-engine) | Skill | GitHub | You want to make a game that runs in a browser and you are working out how the pieces fit: the loop, the drawing, the collisions, the contr… |
| [Python Type Safety](/app/python-type-safety) | Skill | Seth Hobson | You want Python to tell you about mismatched types before the program runs, or a checker is shouting at you and you are not sure how to sat… |
| [Create high‑quality AGENTS.md file](/app/create-agentsmd) | Skill | GitHub | Your repository needs an AGENTS.md file and you do not want to write one from a blank page. This generates it for you. Reach for it when yo… |
| [React Modernization](/app/react-modernization) | Skill | Seth Hobson | Your React app is a few versions behind and written in an older style. This handles the upgrade and the rewrite from class components to ho… |
| [Refactor Plan](/app/refactor-plan) | Skill | GitHub | You are about to change something that touches a lot of files and you would rather not find out halfway that the order was wrong. This inve… |
| [Create Implementation Plan](/app/create-implementation-plan) | Skill | GitHub | You are about to take on something bigger than a quick change and want to think it through first. This creates an implementation plan file… |
| [Unity ECS Patterns](/app/unity-ecs-patterns) | Skill | Seth Hobson | A Unity game slows down once there are a lot of things in the world at once. This covers Unity's Entity Component System with DOTS, Jobs an… |
| [Workflow Orchestration Patterns](/app/workflow-orchestration-patterns) | Skill | Seth Hobson | A process spanning several services and a lot of time will be interrupted, and picking up where it left off is the hard part. This covers d… |
| [Python Resilience Patterns](/app/python-resilience) | Skill | Seth Hobson | Something your Python code calls fails now and then, or hangs, and your code has no plan for it. This adds retrying, waiting longer between… |
| [Comprehensive Project Architecture Blueprint Generator](/app/architecture-blueprint-generator) | Skill | GitHub | You have a codebase and no current picture of how it fits together. This reads the code, works out what it is built with and how it is stru… |
| [Memory Safety Patterns](/app/memory-safety-patterns) | Skill | Seth Hobson | In languages like Rust, C++, and C you are responsible for memory and resources yourself, and mistakes there are painful to find later. Thi… |
| [Best practices](/app/best-practices) | Skill | Addy Osmani | You have web code you inherited or have not looked at in a while, and you want to know whether it is safe, current, and holding up. This ap… |
| [ShellCheck Configuration and Static Analysis](/app/shellcheck-configuration) | Skill | Seth Hobson | Shell scripts fail in quiet, specific ways, often only on a machine that isn't yours. ShellCheck reads them and points out the problems; th… |
| [Python Configuration Management](/app/python-configuration) | Skill | Seth Hobson | Your Python app has values baked into it - hostnames, keys, flags - that should not be there, and should differ between staging and product… |
| [Generate TypeScript MCP Server](/app/typescript-mcp-server-generator) | Skill | GitHub | You want to build an MCP server in TypeScript and would rather not assemble the starting project by hand. This generates a complete one for… |
| [JUnit 5+ Best Practices](/app/java-junit) | Skill | GitHub | You are writing unit tests in Java and want them structured well rather than just passing. This gives you the recommended practices for JUn… |
| [Go Concurrency Patterns](/app/go-concurrency-patterns) | Skill | Seth Hobson | Go lets you run many things at once, but getting it right is its own skill, and the bugs are the kind that only show up sometimes. This cov… |
| [Python Background Jobs & Task Queues](/app/python-background-jobs) | Skill | Seth Hobson | Something in your Python app takes too long to do while a user waits. This covers moving that work into a queue with workers picking it up.… |
| [.NET/C# Design Pattern Review](/app/dotnet-design-pattern-review) | Skill | GitHub | Sometimes code works but the shape of it feels wrong. This reads your C# and .NET code with an eye on the design patterns in it, then sugge… |
| [Project Discovery & Assessment](/app/dotnet-upgrade) | Skill | GitHub | You have a .NET app on an older framework and moving it feels like a big unknown. This gives you ready-made prompts for looking at what the… |
| [Dependency Upgrade](/app/dependency-upgrade) | Skill | Seth Hobson | A dependency you rely on has a new major version and you know something will break. This helps you work out what is incompatible first, rol… |
| [Bats Testing Patterns](/app/bats-testing-patterns) | Skill | Seth Hobson | You have shell scripts doing real work, and nothing checks them when you change something. This helps you write tests for those scripts usi… |
| [Python Resource Management](/app/python-resource-management) | Skill | Seth Hobson | Your Python code opens files or connections and you are not certain they all get closed, especially when something goes wrong. This covers… |
| [CQRS Implementation](/app/cqrs-implementation) | Skill | Seth Hobson | One data model serving both reads and writes can get in its own way as a system grows. This implements CQRS, which splits those into two, s… |
| [Apple App Store Review Specialist](/app/apple-appstore-reviewer) | Skill | GitHub | Submitting an app to Apple and waiting to hear back is a slow way to find out something is wrong. This reads your codebase looking for thin… |
| [Temporal Python Testing Strategies](/app/temporal-python-testing) | Skill | Seth Hobson | You have workflows that wait around for long periods, and testing them normally means waiting too. This covers writing tests for them, skip… |
| [Angular Migration](/app/angular-migration) | Skill | Seth Hobson | You have an application on AngularJS and rewriting it in one go is not realistic. This takes the incremental route: run both frameworks tog… |
| [Event Store Design](/app/event-store-design) | Skill | Seth Hobson | Some systems keep a running log of everything that happened instead of only the latest values. If you are building one of those and need so… |
| [Smart Explore](/app/smart-explore) | Skill | Alex Newman | You open a project you didn't write and want to know what's in it before committing to whole files. This skill looks at the structure of th… |
| [Web3 Smart Contract Testing](/app/web3-testing) | Skill | Seth Hobson | A smart contract goes live and cannot be quietly patched, so untested behaviour is expensive. This covers testing contracts with Hardhat an… |
| [Screen Reader Testing](/app/screen-reader-testing) | Skill | Seth Hobson | Some people navigate the web by listening rather than looking, and a page that looks fine can still be unusable that way. This is about tes… |
| [Vue Debug Guides](/app/vue-debug-guides) | Skill | Vue AI | Your Vue app is throwing an error, printing a warning you do not recognize, or rendering differently on the server than in the browser. Thi… |
| [Saga Orchestration](/app/saga-orchestration) | Skill | Seth Hobson | Sometimes one business action touches several services, and one of them fails after the others already committed. This helps you design the… |
| [Make Plan](/app/make-plan) | Skill | Alex Newman | Someone asked you for something big: a feature or a change with several parts, and diving straight in feels like a leap. This builds a plan… |
| [Review And Refactor](/app/review-and-refactor) | Skill | GitHub | You have a set of rules for how code in your project should look, and want them applied rather than remembered. This reviews the code again… |
| [Turborepo Caching](/app/turborepo-caching) | Skill | Seth Hobson | In a repo holding many packages, every build redoes work that has not changed. This helps you configure Turborepo so results are cached loc… |
| [C# Async Programming Best Practices](/app/csharp-async) | Skill | GitHub | Asynchronous C# is easy to write in a way that technically compiles but is not how it should be done. This gives you the best practices for… |
| [Argent React Native Profiler](/app/argent-react-native-profiler) | Skill | Software Mansion | Your React Native app feels sluggish and you are guessing at the cause. This measures what is actually happening, re-renders and CPU work,… |
| [VueUse Functions](/app/vueuse-functions) | Skill | Anthony Fu | You are building something in Vue or Nuxt and writing code by hand that a shared library probably already handles. This suggests the VueUse… |
| [Projection Patterns](/app/projection-patterns) | Skill | Seth Hobson | Your system records everything that happened as a stream of events, which is great for writing and awkward for reading. This helps you buil… |
| [.editorconfig](/app/editorconfig) | Skill | GitHub | Everyone's editor formats code slightly differently and the diffs get noisy. This looks at your project and your preferences and writes an… |
| [Create GitHub Actions Workflow Specification](/app/create-github-action-workflow-specification) | Skill | GitHub | There is a GitHub Actions workflow in your repo that works, and changing it feels risky because no one has written down what it does. This… |
| [Java Documentation (Javadoc) Best Practices](/app/java-docs) | Skill | GitHub | Someone reading your Java code later has to guess what a class or interface is for, because nothing says. This goes through your types and… |
| [Bazel Build Optimization](/app/bazel-build-optimization) | Skill | Seth Hobson | Your team shares one very large codebase and builds keep dragging. This is about tuning Bazel, the build tool, so that work goes faster on… |
| [NFT Standards](/app/nft-standards) | Skill | Seth Hobson | You are creating tokens on-chain and need them to follow the standards other tools expect. This covers the two common standards, how the me… |
| [React Native Best Practices](/app/react-native-best-practices) | Skill | Callstack Incubator | Your React Native app feels sluggish, takes too long to start, or janks when you scroll. This brings performance guidelines to bear on the… |
| [Parallel Debugging](/app/parallel-debugging) | Skill | Seth Hobson | A bug could be coming from any of several places and picking one to chase first is a guess. This helps you set up the competing explanation… |
| [Pinia](/app/pinia) | Skill | Anthony Fu | Your Vue app has state that several components need and passing it around has stopped working. Pinia is Vue's official library for holding… |
| [Generate Python MCP Server](/app/python-mcp-server-generator) | Skill | GitHub | You want to build an MCP server in Python and you would rather not start from an empty folder. This sets up the project for you, with its t… |
| [Parallel Feature Development](/app/parallel-feature-development) | Skill | Seth Hobson | A feature is big enough that several people or agents should work on it at once, and without a plan they will edit the same files and fight… |
| [XUnit Best Practices](/app/csharp-xunit) | Skill | GitHub | You are writing unit tests in XUnit and want the accepted patterns rather than a guess. This gives you best practices for XUnit, including… |
| [Agentic Evaluation Patterns](/app/agentic-eval) | Skill | GitHub | Your agent produces something and you have no way of knowing whether it is any good. This covers ways to have outputs checked, scored, and… |
| [Multi-Reviewer Patterns](/app/multi-reviewer-patterns) | Skill | Seth Hobson | Several reviews of the same code, each looking at a different kind of quality, produce a pile of overlapping notes with severities nobody a… |
| [ctx7 CLI](/app/context7-cli) | Skill | Upstash | When your AI coding assistant needs current documentation for a library, or you want to add skills to it, this skill uses the ctx7 command-… |
| [Refactor Method to Reduce Cognitive Complexity](/app/refactor-method-complexity-reduce) | Skill | GitHub | One method has grown hard to follow, and you want it under a complexity limit. Name the method and the number you are aiming for, and this… |
| [ScoutQA Testing Skill](/app/scoutqa-test) | Skill | GitHub | You have built or changed something on a web app and you want to know it works before anyone else finds out it does not. This runs testing… |
| [Git Flow Branch Creator](/app/git-flow-branch-creator) | Skill | GitHub | You've started making changes and realise you're on the wrong branch, or you can't remember which prefix Git Flow wants this time. This loo… |
| [PlantUML ASCII Art Diagram Generator](/app/plantuml-ascii) | Skill | GitHub | Sometimes you need a diagram somewhere pictures do not go - a terminal, a plain text file. This draws the diagram out of characters instead… |
| [C# Documentation Best Practices](/app/csharp-docs) | Skill | GitHub | Your C# types work but nothing explains them to the next person who opens the file. This makes sure they carry XML comments and that the do… |
| [MCP-CLI](/app/mcp-cli) | Skill | GitHub | MCP servers are how tools, APIs and data sources get connected in. When you want to poke at one directly rather than through an app, this g… |
| [Context Map](/app/context-map) | Skill | GitHub | Starting a change without knowing its full reach is how you miss the one file that mattered. This maps out the files relevant to a task bef… |
| [Write Coding Standards From File](/app/write-coding-standards-from-file) | Skill | GitHub | Your project has a style, but it lives in the code and in people's heads rather than in a document. Point this at files or folders and it w… |
| [Create Spring Boot Java project prompt](/app/create-spring-boot-java-project) | Skill | GitHub | You are starting a new Java service and none of the starting structure exists yet. This creates the skeleton of a Spring Boot project in Ja… |
| [Generate Application from OpenAPI Spec](/app/openapi-to-application-code) | Skill | GitHub | You have a written specification for an API and now you need the actual code behind it. Instead of typing it all out yourself, this takes t… |
| [Create GitHub Issue from Implementation Plan](/app/create-github-issues-feature-from-implementation-plan) | Skill | GitHub | You have an implementation plan with phases, and none of it is in the tracker yet. This turns those phases into GitHub issues, using the re… |
| [Project Folder Structure Blueprint Generator](/app/folder-structure-blueprint-generator) | Skill | GitHub | A project has grown and nobody has written down where things are supposed to live, so every new file is a small decision. This analyzes the… |
| [GitHub Copilot SDK](/app/copilot-sdk) | Skill | GitHub | You are building software and want an AI agent working inside it, not in a separate chat window. This helps you do that with the GitHub Cop… |
| [Add Language With next-intl](/app/next-intl-add-language) | Skill | GitHub | Your Next.js app already speaks one language and you want to add another. This adds a new language to an application using next-intl. Reach… |
| [Refactoring Java Methods with Extract Method](/app/java-refactoring-extract-method) | Skill | GitHub | You have a chunk of Java that has grown long enough to be hard to read. This helps you pull part of it out into its own method. Reach for i… |
| [GitHub Issue Planning & Project Automation Prompt](/app/breakdown-plan) | Skill | GitHub | You have a project that needs to become issues, and right now it is a flat list with no shape. This builds a plan arranged in tiers, from e… |
| [Test Planning & Quality Assurance Prompt](/app/breakdown-test) | Skill | GitHub | The feature is planned and nobody has said how it will be tested. This drafts a test strategy for a GitHub project, breaks it into tasks, a… |
| [Add Educational Comments](/app/add-educational-comments) | Skill | GitHub | You are looking at a file and nothing in it explains what is going on. This adds comments through the file to explain it as you read. Point… |
| [Feature Implementation Plan Prompt](/app/breakdown-feature-implementation) | Skill | GitHub | You know which feature you are building but not the order of the work or where each piece goes. This drafts a detailed implementation plan… |
| [Dataverse Python Advanced Patterns](/app/dataverse-python-advanced-patterns) | Skill | GitHub | You are past the tutorial stage with the Dataverse SDK and the code needs to survive real use. This generates production code using advance… |
| [Go MCP Server Project Generator](/app/go-mcp-server-generator) | Skill | GitHub | You want to build an MCP server in Go and the first hours go into project layout and dependency wiring before you write anything that matte… |
| [Update Specification](/app/update-specification) | Skill | GitHub | You have a specification document for your solution and it no longer matches reality - the requirements changed, or the code did. This upda… |
| [Rust MCP Server Generator](/app/rust-mcp-server-generator) | Skill | GitHub | You are building a Model Context Protocol server in Rust. This generates the project for you, including tools, prompts, resources and tests… |
| [Create LLMs.txt File from Repository Structure](/app/create-llms) | Skill | GitHub | You want language models to make sense of your repository and there is a standard file for that, llms.txt. This writes one from scratch bas… |
| [ASP.NET Minimal API with OpenAPI](/app/aspnet-minimal-api-openapi) | Skill | GitHub | You are building an ASP.NET web API and want the endpoints to describe themselves properly for whoever calls them. This helps you write tho… |
| [Quasi-Coder Skill](/app/quasi-coder) | Skill | GitHub | Someone sends you a half-written snippet, some pseudo-code, or a description in their own words with a typo or the wrong term in it. This t… |
| [Comprehensive Technology Stack Blueprint Generator](/app/technology-stack-blueprint-generator) | Skill | GitHub | Joining or inheriting a codebase means guessing at what it uses and how things are done there. This works through the code and writes it do… |
| [Microsoft Skill Creator](/app/microsoft-skill-creator) | Skill | GitHub | You want an agent to know its way around a particular Microsoft technology, and you would rather build a skill for it than explain it every… |
| [VS Code extension command contribution](/app/vscode-ext-commands) | Skill | GitHub | When you add a command to a VS Code extension there are conventions for what to call it, where it appears, and how it gets translated. This… |
| [NUnit Best Practices](/app/csharp-nunit) | Skill | GitHub | You are writing unit tests in NUnit and want to know the accepted way rather than piecing it together. This gives you best practices for NU… |
| [Copilot Instructions Blueprint Generator](/app/copilot-instructions-blueprint-generator) | Skill | GitHub | Copilot suggests code that does not match how your project does things. This reads what is already in your codebase and writes an instructi… |
| [Epic Architecture Specification Prompt](/app/breakdown-epic-arch) | Skill | GitHub | You have a product requirements document for a large piece of work and now somebody has to say how it will be built. This drafts the high-l… |
| [Remember Interactive Programming](/app/remember-interactive-programming) | Skill | GitHub | You have a live REPL open and want the agent to actually use it rather than write code from guesswork. This is a very short prompt that rem… |
| [{Project Name} - Copilot Instructions](/app/github-copilot-starter) | Skill | GitHub | You're starting a new project and Copilot's configuration is one of those things nobody gets around to. This sets it up for you, based on t… |
| [Repository Analysis: \[Repo Name\]](/app/repo-story-time) | Skill | GitHub | You want to understand a repository's past without scrolling through every commit. This reads the commit history and writes it back as a su… |
| [Create GitHub Issues for Unmet Specification Requirements](/app/create-github-issues-for-unmet-specification-requirements) | Skill | GitHub | You have specification files and a codebase, and you are not sure which requirements were actually built. This looks for the unimplemented… |
| [What Context Needed](/app/what-context-needed) | Skill | GitHub | Sometimes an answer is poor simply because the assistant never saw the relevant files. This turns it around: ask what it needs to look at f… |
| [Gemini Interactions API Skill](/app/gemini-interactions-api) | Skill | Google | You want a back-and-forth conversation where the server keeps the thread rather than you resending everything each turn. This guides you th… |
| [Migration and Code Evolution Instructions Generator](/app/generate-custom-instructions-from-codebase) | Skill | GitHub | You are midway through a migration or a framework upgrade, and the new way of doing things exists in one branch while the old way is everyw… |
| [Suggest Awesome GitHub Copilot Skills](/app/suggest-awesome-github-copilot-skills) | Skill | GitHub | There is a large collection of ready-made Copilot skills and no quick way to tell which ones your project would use. This looks at your rep… |
| [Create GitHub Issue from Specification](/app/create-github-issue-feature-from-specification) | Skill | GitHub | You have a specification written down and now it needs to exist as work someone can pick up. This creates a GitHub issue for the feature fr… |
| [PHP MCP Server Generator](/app/php-mcp-server-generator) | Skill | GitHub | You want to build an MCP server in PHP and you would rather not assemble the project skeleton by hand. This generates the whole project, in… |
| [VS Code extension localization](/app/vscode-ext-localization) | Skill | GitHub | If you want your VS Code extension usable by people who do not read English, the text in it has to be handled a particular way. This covers… |
| [Antfu Conventions](/app/antfu) | Skill | Anthony Fu | You are starting a JavaScript or TypeScript project and would rather adopt someone's settled setup than invent your own. This brings Anthon… |
| [MSTest Best Practices (MSTest 3.x/4.x)](/app/csharp-mstest) | Skill | GitHub | MSTest has moved on, and tests written from memory often use older patterns. This gives you the best practices for MSTest unit testing, inc… |
| [TUnit Best Practices](/app/csharp-tunit) | Skill | GitHub | You are working in TUnit and are not sure what the accepted patterns are. This gives you best practices for TUnit unit testing, including t… |
| [Code Exemplars Blueprint Generator](/app/code-exemplars-blueprint-generator) | Skill | GitHub | New people copy whatever code they find first, and not all of it is code you want copied. This builds a prompt that goes through your codeb… |
| [Java MCP Server Generator](/app/java-mcp-server-generator) | Skill | GitHub | You need to build a Model Context Protocol server in Java and do not want to assemble the project from scratch. This generates a complete p… |
| [Suggest Awesome GitHub Copilot Custom Agents](/app/suggest-awesome-github-copilot-agents) | Skill | GitHub | There is a large collection of ready-made Copilot custom agents and no easy way to tell which ones fit your project. This looks at your rep… |
| [Suggest Awesome GitHub Copilot Instructions](/app/suggest-awesome-github-copilot-instructions) | Skill | GitHub | There is a large collection of ready-made Copilot instruction files and it is hard to tell which apply to your project. This reads your rep… |
| [Add TypeSpec API Operations](/app/typespec-api-operations) | Skill | GitHub | You already have a TypeSpec API plugin and it needs to do more - fetch something, create something, change or remove it. This adds those op… |
| [Swift MCP Server Generator](/app/swift-mcp-server-generator) | Skill | GitHub | You want to build a Model Context Protocol server in Swift and would rather not assemble the project scaffolding by hand. This generates th… |
| [Generate Specs As Issues](/app/gen-specs-as-issues) | Skill | GitHub | You know the product isn't finished, but the list of what's missing lives in your head and nothing is written down. This walks you through… |
| [Dataverse Python Quickstart](/app/dataverse-python-quickstart) | Skill | GitHub | You are starting out with the Python SDK and need working examples rather than a blank file. This gives you the setup, the basic create-rea… |
| [GraalVM Native Image Agent](/app/java-add-graalvm-native-image-support) | Skill | GitHub | You want your Java program to build as a native image, but the build keeps failing and the errors are hard to place. This walks through it… |
| [Dataverse Python Use Case Builder](/app/dataverse-python-usecase-builder) | Skill | GitHub | You know what you need the Dataverse SDK to do, but not how the whole thing should be put together. This builds a complete solution for tha… |
| [Create Spring Boot Kotlin project prompt](/app/create-spring-boot-kotlin-project) | Skill | GitHub | You are starting a new Kotlin service and there is no structure to begin from. This creates the skeleton of a Spring Boot project in Kotlin… |
| [Create TypeSpec API Plugin](/app/typespec-create-api-plugin) | Skill | GitHub | You have an API and you want Microsoft 365 Copilot to be able to use it. This creates the plugin that connects the two, written in TypeSpec… |
| [Power Platform MCP Connector Generator](/app/mcp-copilot-studio-server-generator) | Skill | GitHub | You want to connect your own tools into Copilot Studio and need an MCP server to do it. This generates a complete server implementation sha… |
| [Kotlin MCP Server Project Generator](/app/kotlin-mcp-server-generator) | Skill | GitHub | You want to build an MCP server in Kotlin and would rather not work out the project layout and dependencies yourself. This generates a comp… |
| [Create TypeSpec Declarative Agent](/app/typespec-create-agent) | Skill | GitHub | You want an agent for Microsoft 365 Copilot and need somewhere to begin. This produces a complete declarative agent written in TypeSpec, wi… |
| [Ruby MCP Server Generator](/app/ruby-mcp-server-generator) | Skill | GitHub | You want to build a Model Context Protocol server and you write Ruby. This generates the whole project for you, using the official MCP Ruby… |
| [Learn Codebase](/app/learn-codebase) | Skill | Alex Newman | You have just landed in a project you do not know and would rather not learn it one file at a time as you go. This reads every source file… |
| [Gemini Agents API](/app/gemini-agents-api) | Skill | Google | You want an agent that exists on the server with its own setup, rather than something you assemble fresh each time you talk to it. This han… |
| [Babysit PR](/app/babysit) | Skill | Alex Newman | You opened a pull request and now comes the slow part: reviewers leave comments, checks run, and you keep looking back to see if anything c… |
| [tsdown - The Elegant Library Bundler](/app/tsdown) | Skill | Anthony Fu | You have a library to publish and need it bundled, typed, and available in more than one module format. tsdown does that bundling, built on… |
| [Gemini CLI](/app/gemini) | Skill | openclaw | Say you already use Gemini CLI and want it to handle a single question, a summary or a piece of writing. This helps with that. It also cove… |
| [Microsoft Store Developer CLI (msstore)](/app/msstore-cli) | Skill | GitHub | You have a Windows app and getting it into the Microsoft Store means clicking through Partner Center. This drives the Microsoft Store Devel… |
| [Block No-Verify Hook](/app/block-no-verify-hook) | Skill | Seth Hobson | You set up checks that run before every commit, and an AI agent can skip them by passing a flag. This sets up a rule that blocks that from… |
| [Analyzing and Fixing Dart Code](/app/dart-run-static-analysis) | Skill | Flutter | You want to know what the analyzer thinks of your code, and to clear the easy complaints without editing each one by hand. This runs the an… |
| [Resolving Dart Static Analysis Errors](/app/dart-fix-runtime-errors) | Skill | Flutter | Your app has thrown an error while running and you are staring at a stack trace. This pulls the active trace, finds the line that failed, a… |
| [Managing Dart Dependencies](/app/dart-resolve-package-conflicts) | Skill | Flutter | Your dependency install has failed because two packages want versions that cannot both be satisfied. This is the workflow for working out w… |
| [Implementing Dart Patterns](/app/dart-use-pattern-matching) | Skill | Flutter | Dart gives you switch expressions and pattern matching, and it is easy to keep writing the older, longer form out of habit. This applies th… |
| [Vue Router Best Practices](/app/vue-router-best-practices) | Skill | Vue AI | You are wiring up navigation in a Vue app and the details of guards, params, and component lifecycles keep interacting in confusing ways. T… |
| [Oh My Issues](/app/oh-my-issues) | Skill | Alex Newman | Your GitHub issue list is full, and many of the reports describe the same bug in different ways. This sorts them by the bug underneath and… |
| [Building Dart CLI Applications](/app/dart-build-cli-app) | Skill | Flutter | You are writing a command line tool or script and want it to behave the way people expect when they run it. This covers how to lay out the… |
| [VitePress](/app/vitepress) | Skill | Anthony Fu | You have documentation to publish and want to write it in Markdown rather than build pages by hand. VitePress turns that Markdown into a st… |
| [Code Review Expert](/app/code-review-expert) | Skill | Shawn Yang | You have changes in git and nobody senior to look them over yet. This reads what you changed and comes back with design problems, security… |
| [Vue Testing Practices](/app/vue-testing-best-practices) | Skill | Vue AI | You want tests around your Vue app but the tooling and patterns are not obvious. This covers testing components and whole flows, including… |
| [Build with mcp-use](/app/chatgpt-app-builder) | Skill | Manufact | You are building or fixing an MCP server or MCP App in TypeScript with mcp-use. This covers that work from first scaffold through changes,… |
| [Create Adaptable Composable](/app/create-adaptable-composable) | Skill | Vue AI | You are writing a piece of reusable Vue logic, and every caller passes their data in a slightly different shape. This builds it so it accep… |
| [Architecture Decision Record](/app/architecture) | Skill | Anthropic | You are choosing between two ways of building something and the reasoning will be lost by next quarter. This helps you write that choice do… |
| [Google Agents CLI Onboarding](/app/google-agents-cli-onboarding) | Skill | Google | You want to build an agent on Agent Platform and are not sure where in the process to begin or what comes next. This is the front door: it… |
| [WinUI 3 Migration Guide](/app/winui3-migration-guide) | Skill | GitHub | You have an older UWP app and need to move it to WinUI 3, but the old API calls no longer have obvious counterparts. This maps the legacy c… |
| [Testing Strategy](/app/testing-strategy) | Skill | Anthropic | You need tests but are not sure which ones, or how the whole thing should be organised. This helps you design the strategy and write the pl… |
| [Tech Debt Management](/app/tech-debt) | Skill | Anthropic | Everyone knows the codebase has problems, but not which ones to fix first. This finds the technical debt, sorts it into categories, and put… |
| [Ultracite](/app/ultracite) | Skill | Hayden Bleasel | Getting a project to agree on code style usually means a lot of configuration before anything is checked. Ultracite is a ready-made setup f… |
| [Standup](/app/standup) | Skill | Alex Newman | You have work going in more than one place: a few branches, some open pull requests, separate copies of the project. This looks across all… |
| [Create a QA regression flow](/app/argent-qa-flows) | Skill | Software Mansion | You have a test case, a ticket or some acceptance criteria and you want it checked automatically from now on. This builds it into a repeata… |
| [Modern Python](/app/modern-python) | Skill | Trail of Bits | Starting a Python project means picking tools before you write anything, and moving an old one means unpicking the tools it already has. Th… |
| [Codebase Scanner](/app/scan) | Skill | Seth Hobson | Project docs go stale the moment the code changes, and nobody notices until an agent acts on the wrong picture. This reads the codebase and… |
| [Vue Options API](/app/vue-options-api-best-practices) | Skill | Vue AI | Your Vue project is written in the older Options API style, and general advice keeps pushing you elsewhere. This sticks to Options API styl… |
| [Regex vs LLM for Structured Text Parsing](/app/regex-vs-llm-structured-text) | Skill | Affaan Mustafa | You have text with a regular structure and need to pull pieces out of it, and you are not sure whether to write patterns or hand it to an A… |
| [Laravel Plugin Discovery](/app/laravel-plugin-discovery) | Skill | Affaan Mustafa | You are building a Laravel app and need a package, but you are not sure which one to pick or whether it will work with your setup. This hel… |
| [Spring Boot Verification Loop](/app/springboot-verification) | Skill | Affaan Mustafa | You have finished a change to a Spring Boot project and you are about to open a pull request or cut a release. This runs you through the ch… |
| [Spring Boot TDD Workflow](/app/springboot-tdd) | Skill | Affaan Mustafa | You are about to change a Spring Boot app by adding a feature, fixing a bug or cleaning up code. This skill has you work test-first: you wr… |
| [Django Verification Loop](/app/django-verification) | Skill | Affaan Mustafa | You have Django changes and you are about to open a pull request or cut a release. This runs the usual checks in one pass: database changes… |
| [C++ Coding Standards (C++ Core Guidelines)](/app/cpp-coding-standards) | Skill | Affaan Mustafa | If you write or look after C++ code, it can be hard to know whether it follows current good practice. This brings in the C++ Core Guideline… |
| [C++ Testing (Agent Skill)](/app/cpp-testing) | Skill | Affaan Mustafa | You have C++ code and its tests need work. Maybe a test is broken, maybe it passes one run and fails the next, or maybe nothing is set up y… |
| [Blueprint - Construction Plan Generator](/app/blueprint) | Skill | Affaan Mustafa | You have a large engineering goal that will take many sessions or several agents, and you need a plan anyone can pick up. This turns a one-… |
| [Vue JSX Practices](/app/vue-jsx-best-practices) | Skill | Vue AI | You are writing JSX inside a Vue project and the details do not match what you are used to elsewhere. This covers how JSX works in Vue, inc… |
| [Shopify - Admin & Storefront GraphQL APIs](/app/shopify) | Skill | Nous Research | You run or build for a Shopify store and need to get data from it directly. This sends queries to Shopify's Admin and Storefront interfaces… |
| [OpenHands CLI](/app/openhands) | Skill | Nous Research | You have coding work to hand off and want to choose which AI model does it. This delegates the work to the OpenHands command-line tool, whi… |
| [OpenCode CLI](/app/opencode) | Skill | Nous Research | You have coding work you would rather pass to another coding tool. This hands it to the OpenCode command-line tool, for jobs like building… |
| [Merge Reconciler](/app/merge-reconciler) | Skill | Nous Research | Several agents changed the same code and their work now conflicts. This steps in as a neutral third party to resolve the merge conflict, in… |
| [Constrained JSON Output](/app/guidance) | Skill | Nous Research | You are building something that reads an AI model's output, and it breaks whenever the reply is not in the shape you expect. This limits wh… |
| [Grok Build CLI - Hermes Orchestration Guide](/app/grok) | Skill | Nous Research | You have coding work, like a new feature or a pull request, and want another tool to do it. This lets your agent pass that work to xAI's Gr… |
| [GitNexus Explorer](/app/gitnexus-explorer) | Skill | Nous Research | You are in a codebase you do not fully know and want to see how it hangs together. This opens an interactive web page showing the code as a… |
| [GitHub Issue to Pull Request](/app/github-issue-to-pr) | Skill | Nous Research | You have an issue open in a GitHub repository and want it turned into actual changes someone can review. Point this at the issue and it tak… |
| [GitHub Code Review](/app/github-code-review) | Skill | Nous Research | When a pull request needs reviewing, this reads the changes and leaves comments right next to the lines they are about. |
| [Codebase Inspection with pygount](/app/codebase-inspection) | Skill | Nous Research | When you open an unfamiliar project, it can be hard to tell how big it is or what it is written in. This counts the lines of code and shows… |
| [Code Wiki Skill](/app/code-wiki) | Skill | Nous Research | You have a codebase and want written pages that explain it, with pictures to go along. This writes wiki-style docs for the code and draws d… |
| [Blackbox CLI](/app/blackbox) | Skill | Nous Research | Sometimes you want a different coding assistant to take on a job. This lets your agent hand that coding task to the Blackbox AI command-lin… |
| [API Testing & Debugging](/app/rest-graphql-debug) | Skill | Nous Research | When a call to an API fails or returns something odd, it can be hard to tell whether the cause is the request, the login or the data shape.… |
| [GitHub Issues Management](/app/github-issues) | Skill | Nous Research | When issues are piling up on a GitHub project, this opens new ones, sorts through them, labels them and assigns them to people. |
| [GitHub Authentication Setup](/app/github-auth) | Skill | Nous Research | When you need to connect to GitHub from your computer, this helps set up how you sign in: an access token, an SSH key, or logging in throug… |
| [FastMCP](/app/fastmcp) | Skill | Nous Research | If you are writing an MCP server in Python, this helps with each stage: building it, testing it and deploying it. |
| [Simplify Code](/app/simplify-code) | Skill | Nous Research | You just finished a batch of changes and the code works, but it is messier than you want to leave it. This runs a cleanup over those recent… |
| [GitHub Repository Management](/app/github-repo-management) | Skill | Nous Research | You need to start a GitHub project, copy one, or tidy up how your local copy connects to it. This helps you clone, create or fork repositor… |
| [GitHub Pull Request Workflow](/app/github-pr-workflow) | Skill | Nous Research | You have a change to make in a GitHub project and want to get it merged. This walks through each step with you: making a branch, committing… |
| [Upgrading React Native](/app/upgrading-react-native) | Skill | Callstack Incubator | Upgrading React Native touches more than a version number: native config, dependencies, build tooling and APIs that changed underneath you.… |
| [Metal Kernel Writing Guide](/app/metal-kernel) | Skill | pytorch | You have a PyTorch operator that does not run on Apple Silicon machines, and you need it to. This skill takes you through making that happe… |
| [Karpathy Guidelines](/app/karpathy-guidelines) | Skill | Multica | You ask an assistant to write, review, or refactor code, and sometimes it gives back far more than you asked for, or quietly guesses at wha… |
| [Effect](/app/effect) | Skill | Anomaly | This repo has TypeScript code written the Effect way, specifically the v4 or effect-smol kind. If you are about to add or change some of th… |
| [Skill Lookup](/app/skill-lookup) | Skill | Fatih Kadir Akın | You want Claude to handle something it cannot do yet, and you would rather not build it from scratch. Reach for this when you want to see w… |
| [Dependabot Configuration & Management](/app/dependabot) | Skill | GitHub | Automated dependency updates are opening more pull requests than you can read, and the config file is not obvious. This walks you through s… |
| [Copilot Spaces](/app/copilot-spaces) | Skill | GitHub | You are asking about your own project and want the answer to come from your team's real documentation, not general knowledge. Copilot Space… |
| [Developer Device Platform](/app/developer-device-platform-basics) | Skill | Google | You need to test on a real Android phone you do not physically have. This helps you book one, connect to it, see how your session is doing,… |
| [Property-Based Testing](/app/property-based-testing) | Skill | Trail of Bits | Hand-picked test cases only cover what you thought to try. Property tests describe a rule that should hold for every input and then hunt fo… |
| [Code Maturity Assessor](/app/code-maturity-assessor) | Skill | Trail of Bits | You have a codebase and no clear sense of how well it holds up. This walks through it across nine areas - things like arithmetic, access co… |
| [LangGraph Docs](/app/langgraph-docs) | Skill | LangChain | You are building with LangGraph in Python and you keep stopping to check the documentation. This fetches and refers to those docs while hel… |
| [MCP Integration](/app/mcp-integration) | Skill | Anthropic | You are building with Claude Code and want it to reach an outside service or tool instead of working on its own. Those connections go throu… |
| [gh CLI](/app/gh-cli) | Skill | Trail of Bits | You point at something on GitHub and get a wall of nothing, because the request went out logged out. This keeps GitHub work going through t… |
| [Dependency Doctor](/app/dependency-doctor) | Skill | Shubham Saboo | You have a project with a list of the packages it depends on, and you want to know if that list has simple problems. This looks through the… |
| [Commit Archaeologist](/app/commit-archaeologist) | Skill | Shubham Saboo | You are about to rewrite or refactor some code and don't know why it was written the way it was. This digs through the project's saved chan… |
| [Scope Creep Detector](/app/scope-creep-detector) | Skill | Shubham Saboo | You started out to fix one thing, and now your change touches much more. This compares what you actually changed with what you meant to cha… |
| [Project Graveyard](/app/project-graveyard) | Skill | Shubham Saboo | You have a pile of side projects you started and never finished, and you wonder which one to pick back up, or why you keep stopping. This f… |
| [V8 JIT Optimization](/app/v8-jit) | Skill | Vercel | If you are changing Next.js server code that runs on every request, how you write the JavaScript matters. This gives you patterns for writi… |
| [Authoring Skills](/app/authoring-skills) | Skill | Vercel | You are about to add a new skill for an AI agent, or the skills you already have need some upkeep. This guide shows you how to create one a… |
| [Publish Your Command Palette Extension](/app/publish-extension) | Skill | Microsoft | You built a Command Palette extension, but right now it only runs on your own computer. This helps you package it and put it somewhere othe… |
| [Add Fallback Commands](/app/add-fallback-commands) | Skill | Microsoft | You build things for the Command Palette, and someone types something none of your commands were written for. Rather than showing nothing b… |
| [Add Extension Settings](/app/add-extension-settings) | Skill | Microsoft | You have an extension and someone just asked if they could switch a feature off, type something in, or choose how it behaves. This helps yo… |
| [Add Dock Band Support](/app/add-dock-band) | Skill | Microsoft | You have built a command palette extension and you want a few of its controls to stay visible all the time, instead of appearing only when… |
| [Add Forms with Adaptive Cards](/app/add-adaptive-card-form) | Skill | Microsoft | You have an extension and now it needs somewhere for people to type answers, flip options and pick from lists. This builds those screens fo… |
| [Verify and stop](/app/verify-and-stop) | Skill | Julius Brussee | You have something that looks done and you want certainty it meets the agreed conditions before you close it out. This runs the checks that… |
| [Surgical patch](/app/surgical-patch) | Skill | Julius Brussee | Something in your code is broken, or needs a small adjustment, and you do not want the fix to disturb everything sitting next to it. This m… |
| [Investigate first](/app/investigate-first) | Skill | Julius Brussee | Something in your project breaks and nothing about it adds up: it fails one moment and works the next, or everything got slower and nobody… |
| [Caveman Explore](/app/caveman-explore) | Skill | Julius Brussee | You have opened a codebase you barely know, or searched for something and come up empty, and you just need to know where the relevant code… |
| [Lean build](/app/lean-build) | Skill | Julius Brussee | You have a new feature to build, and the worry is that it ends up bigger than you asked for. This skill is made for that kind of work. It k… |
| [Caveman Review](/app/caveman-review) | Skill | Julius Brussee | You have just had your code reviewed and now you are wading through comments to find the ones worth acting on. This strips the feedback bac… |
| [Caveman Commit](/app/caveman-commit) | Skill | Julius Brussee | You have finished some work and now need to write the commit message. This writes it for you, kept deliberately short: one tight subject li… |
| [Safe refactor](/app/safe-refactor) | Skill | Julius Brussee | Your code works, but its shape bothers you: something wants extracting, merging, or handing to someone else. Changes like those can quietly… |
| [Do Plan](/app/do) | Skill | Alex Newman | You have a plan for building something and now it needs doing. Maybe that plan just came out of make-plan. Ask to execute, run or carry out… |
| [Code Simplification](/app/code-simplification) | Skill | Addy Osmani | You have code that does its job, but every time you open it you have to work to figure out what is going on. This skill cleans that code up… |
| [Full-Output Enforcement](/app/full-output-enforcement) | Skill | Leon Lin | Sometimes you ask for a long piece of code and get only part of it. The answer stops early, or a note says the rest stays the same, and you… |
| [Prompt Lookup](/app/prompt-lookup) | Skill | Fatih Kadir Akın | You write instructions for AI tools often enough that starting from nothing every time feels wasteful. This finds prompts that already exis… |
| [Pull Requests](/app/prs) | Skill | google-gemini | You have finished some work and want to turn it into a pull request, but first come the small chores: picking what to stage, writing the de… |
| [CI Replicate & Status](/app/ci) | Skill | google-gemini | You push code and then wait to find out whether the build passed. This keeps watch on the run and flags a failure as soon as it shows up, i… |
| [Amazon Bedrock](/app/amazon-bedrock) | Skill | Amazon Web Services | Building an AI feature on Bedrock means picking a model, calling it the right way, and dealing with errors and cost. This covers that work… |
| [Pull Request Creator](/app/pr-creator) | Skill | google-gemini | You have finished some work and the next step is opening a pull request. This takes care of that step for you, and it follows the formats t… |
| [AI Debt Detector](/app/ai-debt-detector) | Skill | Seth Hobson | An AI wrote or suggested some code, it runs, and something about it still feels off. This looks for the particular mistakes AI tends to mak… |
| [Ant Design Component Lookup](/app/antd-component-lookup) | Skill | Ant Design Team | You are building something in React with Ant Design and you cannot remember which props a component takes or how to wire it up. Ask this an… |
| [Ant Design Migration Guide](/app/antd-migration) | Skill | Ant Design Team | You tried to upgrade your app's component library to a newer major release, and now parts of it will not build because those components cha… |
| [Optimizing EF Core Queries](/app/optimizing-ef-core-queries) | Skill | .NET Platform | A screen or job is slow and the culprit is a database query written through EF Core. This works on that query so it produces less SQL, talk… |
| [GitHub CLI](/app/gh) | Skill | GitHub CLI | When you ask Claude to look things up or act on GitHub through the gh command line tool, there are easy ways to get it wrong. This gives Cl… |
| [Storybook Upgrade](/app/upgrade) | Skill | Storybook | Say your project already uses Storybook, and the copy in it has gotten old. This skill brings that Storybook up to date for you. You would… |
| [Storybook Setup](/app/init) | Skill | Storybook | You have a project and you want Storybook in it, but Storybook has never been set up there. This takes care of adding Storybook to that kin… |
| [Stories](/app/stories) | Skill | Storybook | You are about to change how your app looks - a new style, a tweaked theme, a reworked component. Reach for this before you make the change,… |
| [AWS SDK for JavaScript v3](/app/aws-sdk-js-v3-usage) | Skill | Amazon Web Services | You are writing JavaScript or TypeScript that talks to AWS services through the official packages. This covers the patterns for using that… |
| [Session Guard](/app/session-guard) | Skill | Seth Hobson | In a long working session an agent can start ignoring instructions it was following fine an hour ago, and conventions slowly slip. This is… |
| [Ponytail](/app/ponytail) | Skill | Diego Rodrigues de Sa e Souza | Sometimes the assistant starts building before anyone has asked whether the work is needed. This makes it stop and ask that first. Then it… |
| [Omni GitHub Skills](/app/omni-github-skills) | Skill | Diego Rodrigues de Sa e Souza | People share instructions for AI agents in GitHub projects, but finding them means digging through a lot of repositories. This searches Git… |
| [AWS SDK for Python (boto3)](/app/aws-sdk-python-usage) | Skill | Amazon Web Services | You are writing Python that talks to AWS, and you are not sure how the pieces are meant to fit together. This brings the usual patterns to… |
| [Agent Builder](/app/agent-builder) | Skill | shareAI | There is work you keep doing by hand, and you suspect an AI helper could take it over if it could think through the steps itself. That is w… |
| [Second Opinion](/app/second-opinion) | Skill | Trail of Bits | You have changes you are not fully sure about and you want another pair of eyes that is not your own. This sends the code to an outside mod… |
| [DWARF Expert](/app/dwarf-expert) | Skill | Trail of Bits | Compiled programs can carry extra information describing the source they came from, and reading it is fiddly. This helps you inspect that i… |
| [Chakra UI Refactor & Review](/app/chakra-ui-refactor) | Skill | Chakra | You have interface code built with Chakra UI and something seems off, or you have older markup and styles you wish were Chakra components.… |
| [Refactor](/app/refactor) | Skill | YeonGyu-Kim | You have code that does its job but has grown messy, and every visit means wading through it first. That is when you reach for this. Ask in… |
| [Codex LSP](/app/lsp) | Skill | YeonGyu-Kim | You have code open in your workspace and want to know what a name points to, who else uses it, or whether giving it a new name will break s… |
| [Rust TDD Workflow](/app/rtk-tdd) | Skill | rtk-ai | You are writing Rust and want tests to come first rather than get added later. This holds you to the red-green-refactor cycle and shows tes… |
| [Skill Improvement Methodology](/app/skill-improver) | Skill | Trail of Bits | You wrote a Claude Code skill and it is not quite up to standard. This runs review-and-fix rounds on it, repeating until the issues are gon… |
| [User Stories](/app/user-stories) | Skill | Pawel Huryn | You have a feature and a backlog that needs items someone can actually start on. This writes user stories that follow the 3 C's, Card, Conv… |
| [Fetch PR Comments](/app/pr-comments) | Skill | Warp | Someone reviewed your pull request and left comments, and now you want to see them. This pulls up the review comments for the branch you cu… |
| [Payload Application Development](/app/payload) | Skill | Payload | If your day-to-day work happens inside a Payload project, this is meant for you. It covers the main parts such a project is built from: the… |
| [iOS Simulator](/app/ios-simulator) | Skill | Callstack | You changed something in a mobile app and you want to see it working on a real screen, not just in tests. This launches the app on an iOS S… |
| [Pake - Website to Desktop App](/app/pake) | Skill | Tw93 | You have a website, or a web build sitting in a folder, and you want it to open as a desktop app instead of a browser tab. This packages it… |
| [Check connectivity](/app/cli-anything-wiremock) | Skill | ✨Data Intelligence Lab@HKU✨ | When you test software that talks to other web services, WireMock can stand in for those services. This is a command-line tool, written in… |
| [CC Switch CLI](/app/cli-anything-ccswitch) | Skill | ✨Data Intelligence Lab@HKU✨ | If you use AI coding tools, their settings can be a hassle to manage. This lets you manage those settings through CC Switch by typing comma… |
| [CLI-Hub Meta-Skill](/app/cli-hub-meta-skill) | Skill | ✨Data Intelligence Lab@HKU✨ | If you want an AI agent to work with a professional program you use, first you need to know whether a tool exists for it. This looks throug… |
| [NSLogger CLI](/app/cli-anything-nslogger) | Skill | ✨Data Intelligence Lab@HKU✨ | When you have log files saved by NSLogger and need to find something in them, this lets you read, filter and export them from the command l… |
| [Godot Engine CLI](/app/cli-anything-godot) | Skill | ✨Data Intelligence Lab@HKU✨ | Making a game in Godot involves looking after projects, scenes and exports, often by hand in the editor. This gives an AI agent a way to do… |
| [Unreal Insights](/app/cli-anything-unrealinsights) | Skill | ✨Data Intelligence Lab@HKU✨ | When an Unreal Engine game runs slowly, you record a trace and dig through it in Unreal Insights to find out why. This helps with that job:… |
| [s&box CLI](/app/cli-anything-sbox) | Skill | ✨Data Intelligence Lab@HKU✨ | If you are making a game with the s&box engine, a lot of the work happens in files and editor screens. This lets you or an AI agent handle… |
| [EEZ Studio CLI](/app/cli-anything-eez-studio) | Skill | ✨Data Intelligence Lab@HKU✨ | If you build device screens or instrument commands in EEZ Studio, some jobs are quicker to do by typing than by clicking. This lets you loo… |
| [Clean Architecture Framework](/app/clean-architecture) | Skill | wondelai | You are staring at a new piece of code and cannot decide where it goes, or your business rules are tangled up with the database and framewo… |
| [QA Generate E2E Tests Workflow](/app/bmad-qa-generate-e2e-tests) | Skill | BMad Code Org | You have just finished a feature and it needs automated tests. Instead of writing them yourself, you say which feature you want tested and… |
| [Create Epics and Stories](/app/bmad-create-epics-and-stories) | Skill | BMad Code Org | You have requirements sitting in front of you and you need them as a proper list of work, not one long block of text. This breaks those req… |
| [Winston - System Architect](/app/bmad-agent-architect) | Skill | BMad Code Org | You are working on software and wish you had an architect to bounce design ideas off before anything gets built. This gives you one to talk… |
| [BMAD Project Context](/app/bmad-project-context) | Skill | BMad Code Org | You work with AI agents in a codebase and want them to follow your project's way of doing things. This sets up or updates the block of inst… |
| [Code Review Workflow](/app/bmad-code-review) | Skill | BMad Code Org | You have finished some code and want it checked before it moves on. Ask for a review and several separate reviewers look at it at the same… |
| [Checkpoint Review Workflow](/app/bmad-checkpoint-preview) | Skill | BMad Code Org | A change has landed and you are the one who has to review it, but you are not sure where to start or what matters inside it. This walks you… |
| [BMad Architecture](/app/bmad-architecture) | Skill | BMad Code Org | You are building something where different parts will be made separately, maybe by different people or at different times. This works out t… |
| [Amelia - Senior Software Engineer](/app/bmad-agent-dev) | Skill | BMad Code Org | You have worked out what needs building and now someone has to write the code. This gives you a developer to hand that job to. Ask for Amel… |
| [BMAD Build](/app/bmad-build) | Skill | BMad Code Org | You know what you want to be true when the work is done, and you would rather not sit through every edit. Hand over the feature, story, bug… |
| [BMAD Sprint Planning](/app/bmad-sprint-planning) | Skill | BMad Code Org | Your planning looks done, and you want to be sure it is solid before anyone starts building. This checks whether the plan is complete enoug… |
| [Troubleshooting](/app/troubleshooting) | Skill | ChromeDevTools | Sometimes Chrome DevTools cannot open a page, move to one, or even start. This helps work out why, using the tool and its documentation, so… |
| [Memory Leak Debugging](/app/memory-leak-debugging) | Skill | ChromeDevTools | Your JavaScript or Node.js app keeps using more memory, or crashes because it runs out. This helps find the leak and fix it. It can take sn… |
| [Debug And Optimize LCP](/app/debug-optimize-lcp) | Skill | ChromeDevTools | Your page takes too long before the main content appears and you are not sure why. This walks through diagnosing and improving that delay u… |
| [GitHub PR Creation](/app/gh-create-pr) | Skill | CherryHQ | Your project has a pull request template and it is easy to skip sections or break its layout. This opens or updates the pull request, fills… |
| [Prepare Release](/app/prepare-release) | Skill | CherryHQ | Getting a release ready means gathering what changed, writing it up, updating version numbers and opening a branch for review. This does th… |
| [GitHub PR Review](/app/gh-pr-review) | Skill | CherryHQ | Before code goes out, you want someone to look it over. This reviews a branch, pull request, commit or file for you. You can run a single r… |
| [Data Context Extractor](/app/data-context-extractor) | Skill | Anthropic | Claude keeps missing the point on your data because it doesn't know your table names, your metric definitions, or what your team means by a… |
| [Domain-Driven Design Framework](/app/domain-driven-design) | Skill | wondelai | You have a large system and nobody agrees where one part stops and another starts, or the code uses words the business never uses. This hel… |
| [AWS SDK for Swift](/app/aws-sdk-swift-usage) | Skill | Amazon Web Services | You are building something in Swift and it needs to talk to AWS. This covers the patterns for doing that through the aws-sdk-swift package,… |
| [PR](/app/pr) | Skill | tldraw | You have been working on a branch in the tldraw codebase and now the work needs to go up for someone else to look at. This takes care of tu… |
| [AWS Amplify Gen2](/app/aws-amplify) | Skill | Amazon Web Services | When you want an app with a working backend and you would rather write TypeScript than wire up services, this covers building and deploying… |
| [Test Scenarios](/app/test-scenarios) | Skill | Pawel Huryn | A feature is built and someone has to check it works, but all you have is a user story. This turns that story into test scenarios: what eac… |
| [BFL API Integration Guide](/app/bfl-api) | Skill | Calesthio | You are adding FLUX image generation to your code and need to know how the API actually works. This is a guide to the endpoints, waiting fo… |
| [RTK Rust Design Patterns](/app/design-patterns) | Skill | rtk-ai | You are adding a new part to a Rust command line tool, or untangling an old one, and you would rather not invent its structure alone. This… |
| [Clean Code Framework](/app/clean-code) | Skill | wondelai | There is a piece of code that works but nobody wants to open it, and reviews keep circling the same arguments about names and comments. Thi… |
| [Dimensional Analysis Skill](/app/dimensional-analysis) | Skill | Trail of Bits | Arithmetic bugs often come from mixing values that are not really the same kind of thing, or that are scaled differently. This goes through… |
| [Diagramming Code](/app/diagramming-code) | Skill | Trail of Bits | You are trying to understand how a codebase fits together and reading files one by one is not getting you there. This generates diagrams fr… |
| [AWS Transform (ATX)](/app/aws-transform) | Skill | Amazon Web Services | You have code sitting on an old language version, an old framework, or the wrong chip, and updating it by hand would take forever. This run… |
| [Dogfood](/app/dogfood) | Skill | Vercel Labs | You have a web app and want someone to click through it looking for problems. This explores the app, notes bugs and awkward spots, and writ… |
| [Interview](/app/interview) | Skill | Hunter Bown | You want something built but some of the key choices have not been made yet. This asks you one structured question at a time, only about de… |
| [Verify](/app/verify) | Skill | Hunter Bown | Tests pass, but you still do not know whether the app really works. This runs the actual app, API, or command-line tool and gathers evidenc… |
| [Dependency Update](/app/dependency-update) | Skill | Hunter Bown | You need to bump some libraries in a project and worry about what will break. This reads the release notes, updates only the dependencies y… |
| [Best of N](/app/best-of-n) | Skill | Hunter Bown | You are not sure the first attempt at a fix will be the best one. This produces a small set of separate candidate solutions, compares them… |
| [Batch](/app/batch) | Skill | Hunter Bown | You have a large coding goal that could be split into parts worked on side by side. This breaks it into bounded pieces, coordinates the age… |
| [tRPC -- OpenAPI](/app/openapi) | Skill | tRPC | Your API is built with tRPC, but some people or tools need a standard REST description to use it. This helps you produce an OpenAPI documen… |
| [tRPC -- Links](/app/links) | Skill | tRPC | A tRPC client sends its calls through a chain of steps, and the choices you make there decide batching, streaming, live updates and where c… |
| [tRPC -- Error Handling](/app/error-handling) | Skill | tRPC | When a call to your tRPC server fails, the person on the other end needs to know why, and you need to see it happen. This helps you throw e… |
| [tRPC - Auth](/app/auth) | Skill | tRPC | Your tRPC app needs to know who is making each call, and some calls should be off limits to anyone not signed in. This helps you pull the u… |
| [tRPC - Subscriptions](/app/subscriptions) | Skill | tRPC | Your app needs to show things as they happen, not only when someone refreshes. This helps you stream events from a tRPC server, using serve… |
| [tRPC -- Caching](/app/caching) | Skill | tRPC | The same questions keep arriving at your app, and right now every one travels all the way to your server before anyone sees an answer. This… |
| [Phaser 4 -- Sprite Animations](/app/animations) | Skill | Phaser | You are building a game and a character or object sits on screen as one still image where you want motion. This skill helps you take frames… |
| [Why-What-Acceptance (WWA)](/app/wwas) | Skill | Pawel Huryn | You have a feature idea and a backlog full of items nobody can act on. This helps you write each item in a set shape: why it matters, what… |
| [Update All Dependencies](/app/update-deps) | Skill | RSS3 | Your packages are behind and upgrading them by hand means reading changelogs and hoping nothing breaks. This updates dependencies across bo… |
| [Project Session Manager (PSM) Skill](/app/project-session-manager) | Skill | Bellman | Working on two things at once in one checkout means stashing, switching and losing your place. This gives each issue, PR or feature its own… |
| [AI Slop Cleaner](/app/ai-slop-cleaner) | Skill | Bellman | Generated code leaves behind bloat nobody wants and nobody dares touch. This works through it deletion-first while watching for regressions… |
| [Refactoring Patterns Framework](/app/refactoring-patterns) | Skill | wondelai | You have code that works and is unpleasant to change. This applies named refactoring moves - extract a method, move a method, inline a vari… |
| [Trailmark](/app/trailmark) | Skill | Trail of Bits | On a big or mixed-language codebase it is hard to know what reaches what. This builds a map of how the code connects and lets you ask quest… |
| [Scale To Multi Agent](/app/scale-to-multi-agent) | Skill | CopilotKit | Your app was built around a single agent and now you need more than one, each with its own tools and context, maybe in their own panels. Th… |
| [Debug And Troubleshoot](/app/debug-and-troubleshoot) | Skill | CopilotKit | Something in your CopilotKit app fails and hands you an error code that means nothing on its own. This is the debugging guide: what the err… |
| [CopilotKit v1 to v2 Migration Skill](/app/copilotkit-upgrade) | Skill | CopilotKit | Your CopilotKit app is on v1 and v2 wants things done differently. This walks the migration: fixing imports, replacing the hooks and compon… |
| [AG-UI Protocol Skill](/app/copilotkit-agui) | Skill | CopilotKit | You are building the backend behind an agent, or something in the stream between agent and interface is going wrong and you cannot see wher… |
| [CopilotKit v1 To v2 Migration](/app/v1-to-v2-migration) | Skill | CopilotKit | Your project uses an older version of CopilotKit and you want to move it to the current one. There is no automatic tool that does this rena… |
| [.env.local](/app/spa-without-runtime) | Skill | CopilotKit | You have a front-end-only site with nowhere to run server code, and you want a chat feature in it. This shows the one setup meant for produ… |
| [Acquire Codebase Knowledge](/app/acquire-codebase-knowledge) | Skill | GitHub | You have landed in a repository you did not write and there is nothing explaining how it fits together. This walks the codebase and produce… |
| [Genotoxic](/app/genotoxic) | Skill | Trail of Bits | Mutation testing deliberately breaks your code to see if the tests notice, and the results are a pile of survivors you then have to sort th… |
| [Make Skill](/app/make-skill) | Skill | AgentScope-AI | You just spent a session working something out - a fix, a routine, a path through a tricky problem. Rather than let it disappear when the c… |
| [SimPy](/app/simpy) | Skill | K-Dense | You want to know how a system with queues and limited resources behaves before you build or change it. This helps you write a discrete-even… |
| [MATLAB and GNU Octave](/app/matlab) | Skill | K-Dense | You have MATLAB or Octave code to write, inherit, or move somewhere else. This helps you build the numerical workflow, review it, and plan… |
| [SymPy - Symbolic Mathematics in Python](/app/sympy) | Skill | K-Dense | Sometimes you need the real answer to a math problem, not a decimal that is close enough. This helps you do algebra, calculus, equation sol… |
| [PyLabRobot](/app/pylabrobot) | Skill | K-Dense | You are writing a lab-automation protocol and would rather find the mistakes in simulation than on the bench. This helps you build PyLabRob… |
| [PufferLib](/app/pufferlib) | Skill | K-Dense | You have a reinforcement-learning environment and you want it running under PufferLib, but the guidance you find may not match the version… |
| [Opentrons Integration](/app/opentrons-integration) | Skill | K-Dense | You have a pipetting protocol to write for an Opentrons robot and mistakes cost real samples. This helps you author it, review it, simulate… |
| [REST API Caller](/app/rest-api-caller) | Skill | OpenBMB | You need something from a web service, and the reply comes back as a wall of JSON with the one thing you wanted buried in it. This calls th… |
| [Python Scratchpad](/app/python-scratchpad) | Skill | OpenBMB | Sometimes you need to do a bit of arithmetic, reshape some data, or check a quick script before trusting it. This uses the Python tools alr… |
| [A Philosophy of Software Design Framework](/app/software-design-philosophy) | Skill | wondelai | Some code is hard to work with not because it is wrong but because it is more complicated than it needs to be. This helps you see where tha… |
| [Testing Skill](/app/testing) | Skill | AionUi | You changed something and are about to call it done. This gives a routine for writing and running tests, and standards to hold them to, so… |
| [Cloud Design Patterns](/app/cloud-design-patterns) | Skill | GitHub | You are designing or reviewing a system split across services and the same hard problems keep coming up: staying up, staying fast, passing… |
| [Diagnosing a Crash](/app/diagnose-crash) | Skill | 37signals | A program on your machine crashed, aborted, or just disappeared, and the system saved a dump of what it was doing. This reads that dump and… |
| [The Pragmatic Programmer Framework](/app/pragmatic-programmer) | Skill | wondelai | You can write code but the bigger calls are the hard part: build or buy, how to estimate, which decisions you can undo later. This covers t… |
| [With TanStack Virtual](/app/with-tanstack-virtual) | Skill | TanStack | Your table has far more rows than a browser wants to draw at once. This covers rendering only what is on screen in a Lit table, plus the de… |
| [With TanStack Query](/app/with-tanstack-query) | Skill | TanStack | You have a table in Svelte whose rows come from the server, and the filters, sorting and page controls keep drifting out of sync with what… |
| [Table Features](/app/table-features) | Skill | TanStack | You reached for an option or a method on the table and it simply was not there. Usually that is because the piece providing it was never re… |
| [Row Pinning](/app/row-pinning) | Skill | TanStack | Some rows should stay put while the rest scrolls or filters away. This covers holding chosen rows in top, middle and bottom groups, keeping… |
| [Global Filtering](/app/global-filtering) | Skill | TanStack | You added a single search box over a table and the results look wrong: columns you did not mean are being searched, or typing changes the f… |
| [Table Devtools](/app/devtools) | Skill | TanStack | You're building a Solid table and want to inspect it while it runs, or you wired the devtools up and they're showing nothing. This covers c… |
| [Custom Features](/app/custom-features) | Skill | TanStack | You need a table to do something none of the built-in features cover, and stashing it in meta or option composition isn't holding up. This… |
| [Create Table Hook](/app/create-table-hook) | Skill | TanStack | Every table in your app repeats the same setup and you're passing the same props down through layers of components. This covers building sh… |
| [Column Visibility](/app/column-visibility) | Skill | TanStack | You want a table where users can turn columns on and off. This covers hiding a column and rendering headers, columns, and cells that respec… |
| [Column Sizing](/app/column-sizing) | Skill | TanStack | You need columns to be certain widths and the numbers aren't landing the way you expect. This covers the size values a column carries, the… |
| [Column Resizing](/app/column-resizing) | Skill | TanStack | You want users to drag the edge of a column to resize it. This covers wiring up that handle, choosing when the width updates, and handling… |
| [Column Pinning](/app/column-pinning) | Skill | TanStack | You want some columns to stay put at the left or right while the rest of the table scrolls. This covers assigning columns to start, center,… |
| [Column Ordering](/app/column-ordering) | Skill | TanStack | You want users to reorder the columns of a table, but the order on screen doesn't always match the order you set. This covers how leaf colu… |
| [Column Faceting](/app/column-faceting) | Skill | TanStack | You want the filter panel next to a table to show the real options and how many rows each one has, or a slider that knows the actual low an… |
| [Client Vs Server](/app/client-vs-server) | Skill | TanStack | Your table can filter, sort, group, and page either in the browser or on the server, and mixing the two gets confusing fast. This helps you… |
| [Cell Spanning](/app/cell-spanning) | Skill | TanStack | You want a grid where repeated values merge into one taller cell, or one row that stretches across several columns. This covers how those m… |
| [API Not Found](/app/api-not-found) | Skill | TanStack | You wrote code against a table library and something you expected isn't there - a method comes back undefined, a key is missing, or the com… |
| [TypeScript](/app/typescript) | Skill | TanStack | Your editor is complaining about column definitions, or the types have stopped telling you anything useful. This covers the helpers that ke… |
| [Table State](/app/table-state) | Skill | TanStack | You are not sure who owns a piece of the table's state, or the screen updates at the wrong moment. This covers reading state, holding some… |
| [Sorting](/app/sorting) | Skill | TanStack | Your rows are in the wrong order, or the order shifts when you did not ask. This covers sorting by a column, sorting by more than one, clea… |
| [Row Selection](/app/row-selection) | Skill | TanStack | People click rows and you need to remember which ones. This covers single clicks, picking several, Shift for a range, and rows nested under… |
| [Pagination](/app/pagination) | Skill | TanStack | You have more rows than belong on one screen. This covers splitting them into pages, tracking which page is showing and how large it is, an… |
| [Migrate V8 To V9](/app/migrate-v8-to-v9) | Skill | TanStack | You have a Vue table built on the older version and it needs to run on the newer one. This is the reference for what changed: how the table… |
| [Getting Started](/app/getting-started) | Skill | TanStack | You are starting a table in Octane and nothing is on screen yet. This walks through creating one, keeping its inputs steady, and getting ro… |
| [Fuzzy Ranking](/app/fuzzy-ranking) | Skill | TanStack | You have a search box, and people type approximately: a typo, a missing accent, half a word. This scores how close each item is to what was… |
| [Expanding Rows](/app/expanding) | Skill | TanStack | You want a row people can open, either to show the rows nested underneath it or a panel with more detail. This covers wiring that up and te… |
| [Column Filtering](/app/column-filtering) | Skill | TanStack | You want people to narrow a table down by what's in a column, and you need the filtering to behave with your data shape. This covers how fi… |
| [Table Column Aggregation](/app/aggregation) | Skill | TanStack | You want sums or averages on a table's columns, but you don't want to group the rows to get them. This handles aggregating TanStack Table c… |
| [Cell Selection](/app/cell-selection) | Skill | TanStack | You want a table where people can drag across a block of cells the way they do in a spreadsheet - or you built that and the selection keeps… |
| [Planning Skill](/app/planning) | Skill | LangChain | You have a coding task that is bigger than one edit and you are not sure where to begin. This breaks it into a structured plan with clear s… |
| [Contextual Commits](/app/contextual-commit) | Skill | Kazuki Yamada | Six months later, nobody can tell why a line was written that way. This writes your commit messages so the intent, the decisions and the co… |
| [Git Cleanup](/app/git-cleanup) | Skill | Trail of Bits | Local branches and worktrees pile up and after a while you cannot remember which ones you are done with. This looks at what you have and so… |
| [TDD Red Green Refactor](/app/tdd-red-green-refactor) | Skill | Google Labs Code | You know the test-first cycle and you also know how easy it is to skip a step. This keeps you to it in TypeScript and Node. Reach for it wh… |
| [Ink](/app/ink) | Skill | Google Labs Code | You have a description of an interface written as JSON, and you want it to appear and work in a terminal. This handles that rendering. Reac… |
| [New App](/app/new-app) | Skill | Qwen | You have an idea for an app and a blank folder. This walks the whole way through: working out what it needs to do, picking what to build it… |
| [Structured Debugging](/app/structured-debugging) | Skill | Qwen | Some bugs do not give way to a quick look, and the first fix makes them stranger. This gives you a way to work: form a guess about what is… |
| [asc TestFlight orchestration](/app/asc-testflight-orchestration) | Skill | Rork | You have a build ready and a set of testers waiting. This handles the rollout: which groups get it, who is in them, and what the testers ar… |
| [Spring Boot Testing](/app/spring-boot-testing) | Skill | GitHub | Spring Boot gives you many ways to test the same code and it is not obvious which one fits. This helps you choose the approach that suits w… |
| [CLR Activation Debugging](/app/clr-activation-debugging) | Skill | .NET Platform | Your .NET Framework app starts up and something is off: it will not load, it grabs a version you did not expect, or a install-this-componen… |
| [Polish](/app/ce-polish-beta) | Skill | Every | The feature works but does not feel right yet, and you want to poke at it rather than reason about the code. This starts the dev server, op… |
| [Agent-Native Architecture Audit](/app/ce-agent-native-audit) | Skill | Every | You have built something around agents and you want an outside read on whether the architecture holds up. This runs a review of it against… |
| [Clean Gone Branches](/app/ce-clean-gone-branches) | Skill | Every | Over time your branch list fills up with names for work that was merged and deleted ages ago on the server. Your machine still has them. Sa… |
| [Dogfood (Beta)](/app/ce-dogfood-beta) | Skill | Every | Your branch works as far as you know, but nobody has really used it yet. This goes through it end to end in a browser, fixes what it finds,… |
| [Symbol arrays with spaces inside brackets](/app/ce-dhh-rails-style) | Skill | Every | If you like the way Basecamp and HEY are written and want your own Ruby to read that way, this applies that style as you go. It leans on RE… |
| [Demo Reel](/app/ce-demo-reel) | Skill | Every | You shipped something visible - a screen, a command - and a written PR description does not really show it. This captures the proof: a GIF,… |
| [Agent Native Architecture](/app/ce-agent-native-architecture) | Skill | Every | You want to build software where the agent is the thing doing the work, not a chat box bolted onto it. That is a different way of designing… |
| [Test Helpers](/app/test-helpers) | Skill | Donchitos | You are writing tests and keep copying the same setup lines into every file. This reads the tests you already have and writes a helpers fol… |
| [Smoke Check](/app/smoke-check) | Skill | Donchitos | A sprint's work is done and about to go to manual QA, and nobody wants testers spending a day on a broken build. This runs the automated te… |
| [Skill Test](/app/skill-test) | Skill | Donchitos | You wrote a skill and want to know whether it is sound before depending on it. This validates skill files in three ways: a linter for struc… |
| [Skill Improve](/app/skill-improve) | Skill | Donchitos | A skill is not behaving the way you want and you are guessing at fixes. This runs checks on it, proposes targeted changes, rewrites the ski… |
| [\[Engine\] - Version Reference](/app/setup-engine) | Skill | Donchitos | You are on an engine version newer than what the model was trained on, so the answers you get can be out of date. This records your engine… |
| [Perf Profile](/app/perf-profile) | Skill | Donchitos | Something is running slower than it should and you are not sure where to start. This walks through profiling in a set order, finds the bott… |
| [Bug Report](/app/bug-report) | Skill | Donchitos | You have found something broken and the report you would dash off would be missing half of what a fixer needs. This turns your description… |
| [Test Flakiness Detection](/app/test-flakiness) | Skill | Donchitos | Some tests fail one run and pass the next, and people start ignoring red builds. This reads CI logs or test history, works out how often ea… |
| [Soak Test](/app/soak-test) | Skill | Donchitos | Some problems only appear after somebody has been playing for a long stretch: things slowly leaking, players getting worn down, odd cases t… |
| [Map Game Systems](/app/map-systems) | Skill | Donchitos | You have a game concept and no idea where to start designing. This splits it into the individual systems it is made of, maps how they depen… |
| [Misleading ResolveProjectReferences Time](/app/resolve-project-references) | Skill | .NET Platform | Your build timing report says one step is the most expensive, and you are about to go optimize it. This explains that the reported time inc… |
| [Edge To Edge](/app/edge-to-edge) | Skill | Android | Your app draws behind the bars at the top and bottom of the screen, and now something important is underneath them. This walks you through… |
| [Troubleshooting Protocol](/app/troubleshoot) | Skill | SuperClaude Org | The instinct when something breaks is to change a thing and run it again. This does the opposite: it works out the underlying cause before… |
| [Confidence Check](/app/confidence-check) | Skill | SuperClaude Org | You are about to start building and you are mostly sure you understand the problem. This pauses you first: has someone already built it, do… |
| [Zoom Meeting SDK Web - Client View](/app/zoom-meeting-sdk-web-client-view) | Skill | Anthropic | You want a Zoom meeting on your website and you do not want to design the meeting screen yourself. This gives you the full-page Zoom experi… |
| [Debug](/app/debug) | Skill | Anthropic | Something is behaving in a way you can't explain and poking at it isn't working. This runs a structured debugging session: reproduce it, na… |
| [System Design](/app/system-design) | Skill | Anthropic | You are about to build something and are not sure how it should be shaped. This helps you think through the design - the architecture, the… |
| [Sessions](/app/sessions) | Skill | slopus | You half-remember working on something, but not where or what came of it. This searches your past coding agent sessions and answers questio… |
| [Create Custom Agent](/app/create-custom-agent) | Skill | .NET Platform | If you keep giving the same assistant the same long preamble, you can write that down as its own agent instead. This creates the VS Code ag… |
| [QA - Validate Frontend and Backend Changes](/app/qa) | Skill | Skyvern | You have made changes and you are not sure they hold up. This reads what you actually changed, picks a fitting way to test it, and comes ba… |
| [Smoke Test](/app/smoke-test) | Skill | Skyvern | You have changed something and you want to see the running app behave, not just read test output. This works out what to try from your diff… |
| [SnapDOM Skill](/app/snapdom) | Skill | 2025Emma | You want a picture of part of a web page: a card, a chart, a receipt. Take it the wrong way and the fonts go odd and the styling drops out.… |
| [Claude Skills Meta-Skill](/app/claude-skills) | Skill | 2025Emma | You keep pasting the same docs, API notes or specs into a conversation. This turns that material into a skill you can reuse, with its own i… |
| [Jetpack Navigation 3](/app/navigation-3) | Skill | Android | Getting people between screens gets complicated once you add deep links, sign-in states and flows that hand something back. This shows you… |
| [High Performance Browser Networking Framework](/app/high-perf-browser) | Skill | wondelai | Pages take too long and you are not sure what is holding them up. This works through the layers between a request and a painted screen: how… |
| [React Navigation](/app/react-navigation) | Skill | Callstack Incubator | You are building the part of an app that moves people between screens, and the details are fiddly. This covers the common React Navigation… |
| [Microsoft Agent Framework](/app/microsoft-agent-framework) | Skill | GitHub | You are working on something built with Microsoft Agent Framework and want guidance that matches the language you are in. This helps you cr… |
| [asc workflow](/app/asc-workflow) | Skill | Rork | Your release involves the same sequence of steps every time and you would rather it were written down and runnable. This defines those step… |
| [Design MCP Workflow](/app/design-mcp-workflow) | Skill | Anthropic | You are building something on Zoom for Claude and are not sure whether to go through MCP or the REST API. This helps you think that through… |
| [Pytest VCR Workflow](/app/testing-skill) | Skill | Pydantic | Tests that replay saved network traffic break in confusing ways when the saved copy no longer matches. This helps you record fresh recordin… |

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