Individual skill
codebase-recon
Use when entering an unfamiliar codebase, onboarding to a new project, or wanting to assess codebase health before reading code — analyzes git history to reveal hotspots, risk areas, team structure, and development momentum
plugins/yujiachen-y/codebase-recon-skill/skills/codebase-recon/SKILL.md
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- Matches the observed repository HEAD
- Yes
- Scanner rules are current
- Yes
- Repository scan complete
- No
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- No
- Observed behavior
- Network or broad shell
- Last checked
- Nov 4, 2026
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Repository context
- Repository stars (not skill ratings)
- 1,537
- Repository last updated
- Nov 7, 2026
- License
- Apache-2.0
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# Codebase Recon
Analyze git history to understand a codebase before reading any code. Reveals project health, risk areas, team structure, and development momentum.
Inspired by ["The Git Commands I Run Before Reading Any Code"](https://piechowski.io/post/git-commands-before-reading-code/) by [Ally Piechowski](https://github.com/grepsedawk).
## Phase 1: Probe
Before running analysis, determine repo scale to calibrate time windows and result counts.
Run this single shell command to collect repo vitals:
```sh
echo "COMMITS=$(git rev-list --count HEAD)" && \