# Fastapi Response Contract Boundary

> Audit and fix FastAPI/Pydantic response contract failures and analytics metric drift. Use when endpoints return ResponseValidationError/500, legacy JSON rows miss required response fields, responsemodel schemas need compatibility normalizers, or dashboard/trend/report APIs disagree on a canonical metric.

## Facts
- Page: https://tashan.sh/capability/skill-jinning6-fastapi-response-contract-boundary
- tashan id: skill:JinNing6/fastapi-response-contract-boundary
- Source: https://github.com/JinNing6/Noosphere
- Type: skill
- Category: devtools
- tashan score: not scored (catalogued only — too little public evidence)
- Adoption: 9.0
- Upkeep: 97.0
- Freshness: 94.0
- Evidence coverage: 84% of the inputs this score can use
- Health: active
- Instruction depth: not yet graded
- License: Apache-2.0
- Official: no

## Install

```sh
cp -r fastapi-response-contract-boundary ~/.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.