# Diagnose · datit309

> Structured 6-phase debugging. Build feedback loop first, reproduce deterministically, hypothesize with ranked falsifiable theories, instrument one variable at a time, fix with regression test, cleanup. Use when a bug exists, tests fail unexpectedly, or behavior is wrong and cause is unknown.

## Facts
- Page: https://tashan.sh/capability/skill-datit309-diagnose
- tashan id: skill:datit309/diagnose
- Source: https://github.com/datit309/supergraph
- Type: skill
- Category: other
- tashan score: 43.0 / 100
- Adoption: 14.0
- Upkeep: 77.0
- Freshness: 89.0
- 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 diagnose ~/.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 2026-08-14 by tashan (https://tashan.sh) from public evidence. Scorer s5.