# Diagnosing Bugs

> - Diagnose a bug by writing ranked, falsifiable hypotheses before any code change, tagging temporary debug instrumentation for a zero-tolerance sweep, and gating the regression test to a red-then-green proof at the confirmed seam. Use when fixing a bug, debugging a failure, triaging an error, or the user asks to diagnose/root-cause/troubleshoot an issue.

## Facts
- Page: https://tashan.sh/capability/skill-jrichlen-diagnosing-bugs
- tashan id: skill:JRichlen/diagnosing-bugs
- Source: https://github.com/JRichlen/agent-plugins
- Type: skill
- Category: devtools
- tashan score: 49.0 / 100
- Adoption: 17.0
- Upkeep: 82.0
- Freshness: 100.0
- Evidence coverage: 84% of the inputs this score can use
- Health: active
- Instruction depth: not yet graded
- License: MIT
- Official: no

## Install

```sh
cp -r diagnosing-bugs ~/.claude/skills/
```

## Security audit
Not scanned. We audit npm-published capabilities; this one has no npm package we can resolve, or has not reached the queue. This is not a clean bill of health.

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Measured 2026-08-23 by tashan (https://tashan.sh) from public evidence. Scorer s5.