# qa-engineer

Skill · `skill:qa-engineer`

Favz census, built 2026-10-04. Tool names and counts only. No repo names. HTML page: https://favz.co/tools/skill-qa-engineer.html

- Repos that have it now: 23
- Repos that ever had it: 24
- Still have it: 96%
- Share of census repos with any tool: 0.02%

## Repos with it, by month

From commit dates in each repo's history. The last few days always look low, because repos found later fill them in.

| Month | Repos at month end |
|---|---|
| 2026-01 | 3 |
| 2026-02 | 5 |
| 2026-03 | 6 |
| 2026-04 | 8 |
| 2026-05 | 12 |
| 2026-06 | 16 |
| 2026-07 | 19 |
| 2026-08 | 23 |

## Goes with

Tools found in the same repos, ranked by lift: 3× means the two show up together three times as often as chance would give. Only pairs sharing 5 or more repos.

| Tool | Kind | Repos with both | Lift |
|---|---|---|---|
| [impl](https://favz.co/tools/skill-impl.md) | Skill | 5 | 1028.5× |
| [product-manager](https://favz.co/tools/skill-product-manager.md) | Skill | 6 | 561.0× |
| [security-auditor](https://favz.co/tools/skill-security-auditor.md) | Skill | 5 | 411.4× |
| [architect](https://favz.co/tools/skill-architect.md) | Skill | 5 | 149.1× |
| [git](https://favz.co/tools/skill-git.md) | Skill | 5 | 144.9× |
| [pr](https://favz.co/tools/skill-pr.md) | Skill | 5 | 51.2× |
| [grill-me](https://favz.co/tools/skill-grill-me.md) | Skill | 5 | 21.9× |
| [@upstash/context7-mcp](https://favz.co/tools/mcp-npm-upstash-context7-mcp.md) | MCP server (npm package) | 6 | 6.3× |