# using-agent-skills

Skill · `skill:using-agent-skills`

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

- Repos that have it now: 43
- Repos that ever had it: 48
- Still have it: 90%
- Share of census repos with any tool: 0.05%

## 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 |
|---|---|
| 2026-04 | 4 |
| 2026-05 | 12 |
| 2026-06 | 18 |
| 2026-07 | 25 |
| 2026-08 | 30 |
| 2026-09 | 43 |

## 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 |
|---|---|---|---|
| [shipping-and-launch](https://favz.co/tools/skill-shipping-and-launch.md) | Skill | 35 | 1711.5× |
| [ci-cd-and-automation](https://favz.co/tools/skill-ci-cd-and-automation.md) | Skill | 38 | 1672.4× |
| [idea-refine](https://favz.co/tools/skill-idea-refine.md) | Skill | 38 | 1672.4× |
| [git-workflow-and-versioning](https://favz.co/tools/skill-git-workflow-and-versioning.md) | Skill | 36 | 1584.4× |
| [doubt-driven-development](https://favz.co/tools/skill-doubt-driven-development.md) | Skill | 29 | 1556.5× |
| [observability-and-instrumentation](https://favz.co/tools/skill-observability-and-instrumentation.md) | Skill | 24 | 1553.3× |
| [documentation-and-adrs](https://favz.co/tools/skill-documentation-and-adrs.md) | Skill | 39 | 1532.5× |
| [code-simplification](https://favz.co/tools/skill-code-simplification.md) | Skill | 38 | 1520.4× |
| [deprecation-and-migration](https://favz.co/tools/skill-deprecation-and-migration.md) | Skill | 37 | 1507.8× |
| [browser-testing-with-devtools](https://favz.co/tools/skill-browser-testing-with-devtools.md) | Skill | 38 | 1493.2× |
| [api-and-interface-design](https://favz.co/tools/skill-api-and-interface-design.md) | Skill | 38 | 1441.7× |
| [source-driven-development](https://favz.co/tools/skill-source-driven-development.md) | Skill | 38 | 1441.7× |