# Add Use Case

> Implement a new use case for an existing feature, maintaining consistency with product definitions and engineering contracts. Use when adding behavior to an already-mapped feature.

## Facts
- Page: https://tashan.sh/capability/skill-nicolasse-add-use-case
- tashan id: skill:nicolasse/add-use-case
- Source: https://github.com/nicolasse/ctx
- Type: skill
- Category: design
- tashan score: not scored (catalogued only — too little public evidence)
- Adoption: 9.0
- Upkeep: not measured
- Freshness: not measured
- Evidence coverage: not measured
- Health: not measured
- Instruction depth: not yet graded
- Official: no

## Install

```sh
cp -r add-use-case ~/.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 2026-08-09 by tashan (https://tashan.sh) from public evidence. Scorer s5.