# development

Skill · `skill:development`

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

- Repos that have it now: 34
- Repos that ever had it: 39
- Still have it: 87%
- Share of census repos with any tool: 0.04%

## 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 |
|---|---|
| 2025-10 | 1 |
| 2025-11 | 2 |
| 2026-01 | 4 |
| 2026-02 | 7 |
| 2026-03 | 18 |
| 2026-04 | 21 |
| 2026-05 | 21 |
| 2026-06 | 23 |
| 2026-07 | 31 |
| 2026-08 | 32 |
| 2026-09 | 34 |

## 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 |
|---|---|---|---|
| [crewai](https://favz.co/tools/skill-crewai.md) | Skill | 10 | 1391.5× |
| [ai-agents-architect](https://favz.co/tools/skill-ai-agents-architect.md) | Skill | 9 | 1252.3× |
| [ai-engineer](https://favz.co/tools/skill-ai-engineer.md) | Skill | 9 | 1252.3× |
| [airflow-dag-patterns](https://favz.co/tools/skill-airflow-dag-patterns.md) | Skill | 9 | 1252.3× |
| [avoid-ai-writing](https://favz.co/tools/skill-avoid-ai-writing.md) | Skill | 9 | 1252.3× |
| [bazel-build-optimization](https://favz.co/tools/skill-bazel-build-optimization.md) | Skill | 9 | 1252.3× |
| [biopython](https://favz.co/tools/skill-biopython.md) | Skill | 9 | 1252.3× |
| [bug-hunter](https://favz.co/tools/skill-bug-hunter.md) | Skill | 9 | 1252.3× |
| [claude-code-guide](https://favz.co/tools/skill-claude-code-guide.md) | Skill | 9 | 1252.3× |
| [content-marketer](https://favz.co/tools/skill-content-marketer.md) | Skill | 9 | 1252.3× |
| [context-degradation](https://favz.co/tools/skill-context-degradation.md) | Skill | 9 | 1252.3× |
| [data-quality-frameworks](https://favz.co/tools/skill-data-quality-frameworks.md) | Skill | 9 | 1252.3× |