---
title: "Improving frontend coverage - Air Market"
description: "Your frontend probably has corners its tests never visit, and finding them by hand means digging through coverage output. This runs your tests with coverage on, reads the report, and writes new tests…"
canonical: "https://airmarket.ai/app/improving-frontend-coverage"
---

[Air Market](/) / [Developer Tools](/category/devtools) / Improving frontend coverage

Skill by [Streamlit](/@streamlit)

# Improving frontend coverage

See which frontend code your tests miss, then fill those gaps

## What this does

Your frontend probably has corners its tests never visit, and finding them by hand means digging through coverage output. This runs your tests with coverage on, reads the report, and writes new tests aimed at the parts nothing else checks. Reach for it whenever the goal is nudging frontend coverage upward with tests worth keeping.

### Top 3 things it does for you

- Run my frontend unit tests with coverage turned on
- Read the coverage report and find untested code
- Write meaningful new tests where coverage is thin

## Information

**Improving frontend coverage at a glance**

|  |  |
| --- | --- |
| Kind | Skill |
| Publisher | [Streamlit](/@streamlit) |
| Category | [Developer Tools](/category/devtools) |
| Works with | Agent Skills - an open standard supported by 40+ agents |
| Size | 4 KB |
| Licence | Apache-2.0 |
| Repository | [streamlit/streamlit](https://github.com/streamlit/streamlit/tree/d2b0db3cda85cb286c2de47fa6bdf6df7e49d235/.claude/skills/improving-frontend-coverage) |
| GitHub stars | 45,601 (as of Nov 2026) |
| Installs | 46, counted by skills.sh (Nov 2026) |

## Security report

**Verified.** AIR scanned this exact version of Improving frontend coverage and flagged nothing. AIR's verdict: **safe**.

**What Improving frontend coverage's check was run against**

|  |  |
| --- | --- |
| Commit | d2b0db3cda85cb286c2de47fa6bdf6df7e49d235 |
| Content hash | 49443c65f84f9994a07ca62bf95cd0e7820d96ce1b4d1dbfa4327d1c470003c7 |
| Files read | [Browse the files at this exact commit](https://github.com/streamlit/streamlit/blob/d2b0db3cda85cb286c2de47fa6bdf6df7e49d235/.claude/skills/improving-frontend-coverage/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 Improving frontend coverage](/security/improving-frontend-coverage)

## About Improving frontend coverage

Run your frontend unit tests with coverage turned on, then read the report to find where testing falls short.

It goes further than measuring: it implements meaningful tests aimed at the gaps it finds, choosing high-value cases so each addition moves coverage.

Reach for it when you want frontend test coverage to improve systematically instead of guessing which files deserve attention.

## What's inside

- SKILL.md - instructions

## Questions

### Is Improving frontend coverage safe to install?

AIR scanned this exact version of Improving frontend coverage and flagged nothing. AIR's verdict: safe. The verdict is named by the content that was read, at commit d2b0db3cda85, so it cannot drift onto a version nobody scanned. The full report is at https://airmarket.ai/security/improving-frontend-coverage.

### How do I install Improving frontend coverage?

Open https://airmarket.ai/app/improving-frontend-coverage 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/streamlit/streamlit/tree/d2b0db3cda85cb286c2de47fa6bdf6df7e49d235/.claude/skills/improving-frontend-coverage. Install from that link, not the branch.

## Related on Air Market

- [More Developer Tools listings](/category/devtools)
- [Everything by Streamlit](/@streamlit)

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Canonical URL: <https://airmarket.ai/app/improving-frontend-coverage>