# root-cause-tracing

Skill · `skill:root-cause-tracing`

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

- Repos that have it now: 20
- Repos that ever had it: 30
- Still have it: 67%
- 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 |
|---|---|
| 2025-10 | 1 |
| 2025-11 | 4 |
| 2025-12 | 3 |
| 2026-01 | 4 |
| 2026-02 | 6 |
| 2026-03 | 5 |
| 2026-04 | 6 |
| 2026-05 | 8 |
| 2026-06 | 15 |
| 2026-07 | 18 |
| 2026-08 | 20 |

## 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 |
|---|---|---|---|
| [test-driven-development](https://favz.co/tools/skill-test-driven-development.md) | Skill | 15 | 134.7× |
| [finishing-a-development-branch](https://favz.co/tools/skill-finishing-a-development-branch.md) | Skill | 8 | 119.4× |
| [receiving-code-review](https://favz.co/tools/skill-receiving-code-review.md) | Skill | 8 | 110.0× |
| [verification-before-completion](https://favz.co/tools/skill-verification-before-completion.md) | Skill | 10 | 109.8× |
| [subagent-driven-development](https://favz.co/tools/skill-subagent-driven-development.md) | Skill | 8 | 106.3× |
| [executing-plans](https://favz.co/tools/skill-executing-plans.md) | Skill | 8 | 104.3× |
| [writing-skills](https://favz.co/tools/skill-writing-skills.md) | Skill | 7 | 102.2× |
| [systematic-debugging](https://favz.co/tools/skill-systematic-debugging.md) | Skill | 13 | 98.7× |
| [using-git-worktrees](https://favz.co/tools/skill-using-git-worktrees.md) | Skill | 7 | 98.0× |
| [writing-plans](https://favz.co/tools/skill-writing-plans.md) | Skill | 9 | 94.4× |
| [requesting-code-review](https://favz.co/tools/skill-requesting-code-review.md) | Skill | 7 | 93.8× |
| [dispatching-parallel-agents](https://favz.co/tools/skill-dispatching-parallel-agents.md) | Skill | 6 | 90.7× |