FastAPI Expert skill: what it does and how to install it

What it does. Guides FastAPI implementation by analysing endpoints, models and authentication, designing Pydantic V2 schemas, writing async routes with dependency injection, adding security, and testing with pytest and httpx. It checks status codes and the generated /docs surface at each workflow checkpoint, with references for SQLAlchemy, authentication and testing.

When to use it. For REST APIs, async database operations, JWT authentication, WebSockets, validation schemas and OpenAPI documentation in FastAPI.