# API Design

> Design stable, compatible public APIs using extend-only design principles. Manage API compatibility, wire compatibility, and versioning for NuGet packages and distributed systems.

## Facts
- Page: https://tashan.sh/capability/skill-aaronontheweb-api-design
- tashan id: skill:Aaronontheweb/api-design
- Source: https://github.com/Aaronontheweb/dotnet-skills
- Type: skill
- Category: design
- tashan score: 52.0 / 100
- Adoption: 20.0
- Upkeep: 94.0
- Freshness: 87.0
- 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 api-design ~/.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 2026-08-10 by tashan (https://tashan.sh) from public evidence. Scorer s5.