FastAPI questions are easy to answer from stale memory or Flask/Django assumptions. Use this skill to ground answers in the official FastAPI documentation and return the closest authoritative page instead of generic Python web advice.

When to Use

Use this skill when the request is about:

FastAPI concepts, path operations, routing, and application structure
Request parameters, body models, response models, and validation with Pydantic
Dependencies (Depends, Security), sub-dependencies, and dependency injection
Authentication, OAuth2, JWT, HTTP Basic, and security utilities
Middleware, CORS, exception handlers, and custom responses
Background tasks, lifespan events, WebSockets, and streaming/SSE
SQL databases, testing with TestClient, and deployment with Uvicorn
OpenAPI schema, Swagger UI, ReDoc, and API metadata
Advanced topics: mounts, proxies, templates, static files, and async tests

Do not use this skill for:

fastapi-docs

When to Use