# API And Interface Design

> Guides stable API and interface design. Use when designing APIs, module boundaries, or any public interface. Use when creating REST or GraphQL endpoints, defining type contracts between modules, or establishing boundaries between frontend and backend.

## Facts
- Page: https://tashan.sh/capability/skill-naimkatiman-api-and-interface-design
- tashan id: skill:naimkatiman/api-and-interface-design
- Source: https://github.com/naimkatiman/continuous-improvement
- Type: skill
- Category: design
- tashan score: 42.0 / 100
- Adoption: 14.0
- Upkeep: 64.0
- 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 api-and-interface-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 2026-08-16 by tashan (https://tashan.sh) from public evidence. Scorer s5.