# skill-development

Skill · `skill:skill-development`

Favz census, built 2026-10-05. Tool names and counts only. No repo names. HTML page: https://favz.co/tools/skill-skill-development.html

- Repos that have it now: 26
- Repos that ever had it: 33
- Still have it: 79%
- 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 |
|---|---|
| 2025-11 | 0 |
| 2025-12 | 1 |
| 2026-01 | 4 |
| 2026-02 | 8 |
| 2026-03 | 12 |
| 2026-04 | 18 |
| 2026-05 | 21 |
| 2026-06 | 22 |
| 2026-07 | 23 |
| 2026-08 | 25 |
| 2026-09 | 26 |

## 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 |
|---|---|---|---|
| [hook-development](https://favz.co/tools/skill-hook-development.md) | Skill | 14 | 2825.0× |
| [agent-development](https://favz.co/tools/skill-agent-development.md) | Skill | 13 | 1990.1× |
| [mcp-integration](https://favz.co/tools/skill-mcp-integration.md) | Skill | 14 | 1679.8× |
| [web-artifacts-builder](https://favz.co/tools/skill-web-artifacts-builder.md) | Skill | 6 | 137.3× |
| [xlsx](https://favz.co/tools/skill-xlsx.md) | Skill | 7 | 129.5× |
| [pdf](https://favz.co/tools/skill-pdf.md) | Skill | 7 | 95.9× |
| [docx](https://favz.co/tools/skill-docx.md) | Skill | 6 | 93.8× |
| [pptx](https://favz.co/tools/skill-pptx.md) | Skill | 5 | 91.7× |
| [theme-factory](https://favz.co/tools/skill-theme-factory.md) | Skill | 5 | 89.5× |
| [webapp-testing](https://favz.co/tools/skill-webapp-testing.md) | Skill | 7 | 63.9× |
| [mcp-builder](https://favz.co/tools/skill-mcp-builder.md) | Skill | 7 | 62.7× |
| [test-driven-development](https://favz.co/tools/skill-test-driven-development.md) | Skill | 7 | 49.8× |