# agent-development

Skill · `skill:agent-development`

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

- Repos that have it now: 29
- Repos that ever had it: 37
- Still have it: 78%
- Share of census repos with any tool: 0.03%

## 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 | 2 |
| 2026-01 | 5 |
| 2026-02 | 13 |
| 2026-03 | 19 |
| 2026-04 | 22 |
| 2026-05 | 25 |
| 2026-06 | 26 |
| 2026-07 | 27 |
| 2026-08 | 27 |
| 2026-09 | 29 |

## 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 | 2532.8× |
| [skill-development](https://favz.co/tools/skill-skill-development.md) | Skill | 13 | 1990.1× |
| [mcp-integration](https://favz.co/tools/skill-mcp-integration.md) | Skill | 16 | 1721.1× |
| [workflow-automation](https://favz.co/tools/skill-workflow-automation.md) | Skill | 5 | 865.2× |
| [web-performance-optimization](https://favz.co/tools/skill-web-performance-optimization.md) | Skill | 5 | 523.7× |
| [senior-prompt-engineer](https://favz.co/tools/skill-senior-prompt-engineer.md) | Skill | 6 | 508.1× |
| [senior-security](https://favz.co/tools/skill-senior-security.md) | Skill | 5 | 485.4× |
| [tailwind-patterns](https://favz.co/tools/skill-tailwind-patterns.md) | Skill | 6 | 367.4× |
| [senior-architect](https://favz.co/tools/skill-senior-architect.md) | Skill | 5 | 199.0× |
| [senior-frontend](https://favz.co/tools/skill-senior-frontend.md) | Skill | 5 | 177.7× |
| [web-artifacts-builder](https://favz.co/tools/skill-web-artifacts-builder.md) | Skill | 5 | 102.6× |
| [xlsx](https://favz.co/tools/skill-xlsx.md) | Skill | 5 | 82.9× |