---
title: "Test Writer - Air Market"
description: "There is working code in the project and nothing testing it, so every change feels risky. This puts together test suites for code that already exists. Reach for it when you inherited or wrote somethi…"
canonical: "https://airmarket.ai/app/test-writer"
---

[Air Market](/) / [Developer Tools](/category/devtools) / Test Writer

Skill by [Vstorm](/@vstorm-co)

# Test Writer

Cover code that shipped without any tests

## What this does

There is working code in the project and nothing testing it, so every change feels risky. This puts together test suites for code that already exists. Reach for it when you inherited or wrote something untested and want coverage around it before you touch it again.

### Top 3 things it does for you

- Build a test suite for existing code
- Fill in tests for code that never had any

## Information

**Test Writer at a glance**

|  |  |
| --- | --- |
| Kind | Skill |
| Publisher | [Vstorm](/@vstorm-co) |
| Category | [Developer Tools](/category/devtools) |
| Works with | Agent Skills - an open standard supported by 40+ agents |
| Version | 1.0.0 |
| Size | 1 KB |
| Licence | MIT |
| Repository | [vstorm-co/pydantic-deepagents](https://github.com/vstorm-co/pydantic-deepagents/tree/140de9abc6e23102d51bc7d3e792883045098b01/apps/cli/skills/test-writer) |
| GitHub stars | 1,041 (as of Nov 2026) |
| Installs | 1, counted by skills.sh (Nov 2026) |

## Security report

**Verified.** AIR scanned this exact version of Test Writer and flagged nothing. AIR's verdict: **safe**.

**What Test Writer's check was run against**

|  |  |
| --- | --- |
| Commit | 140de9abc6e23102d51bc7d3e792883045098b01 |
| Content hash | 9ca60a0dd501a4fc933bd88a6fccf8a4eca11b1746de255f5031f3df4610780a |
| Files read | [Browse the files at this exact commit](https://github.com/vstorm-co/pydantic-deepagents/blob/140de9abc6e23102d51bc7d3e792883045098b01/apps/cli/skills/test-writer/SKILL.md) |

A scan is named by the exact content it read, not by a version number. A different version is a different artifact, and nothing here applies to a version AIR has not scanned.

[Read the full security report for Test Writer](/security/test-writer)

## About Test Writer

Generates test suites for code that is already written, rather than tests written alongside new work.

For the untested parts of a codebase you would rather not change blind.

## What's inside

- SKILL.md - instructions

## Questions

### Is Test Writer safe to install?

AIR scanned this exact version of Test Writer and flagged nothing. AIR's verdict: safe. The verdict is named by the content that was read, at commit 140de9abc6e2, so it cannot drift onto a version nobody scanned. The full report is at https://airmarket.ai/security/test-writer.

### How do I install Test Writer?

Open https://airmarket.ai/app/test-writer on Air Market and use the install action: Air Market hands Claude a prompt naming this exact skill, and Claude sets it up. Source, pinned to the exact commit this listing describes: https://github.com/vstorm-co/pydantic-deepagents/tree/140de9abc6e23102d51bc7d3e792883045098b01/apps/cli/skills/test-writer. Install from that link, not the branch.

## Related on Air Market

- [More Developer Tools listings](/category/devtools)
- [Everything by Vstorm](/@vstorm-co)

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Canonical URL: <https://airmarket.ai/app/test-writer>