fastapi-expert
FastAPI Expert provides specialized guidance for constructing high-performance REST APIs using async Python, Pydantic V2 validation, and production patterns. It covers endpoint design, database integration with async SQLAlchemy, JWT authentication, WebSocket endpoints, and OpenAPI documentation generation. Use this skill when you need to implement secure, well-validated APIs with proper dependency injection and async/await patterns.
fastapi-expert helps you build production-grade REST APIs with FastAPI, Pydantic V2, and async Python.
AI-generated summary based on this skill's SKILL.md
Decision gist · record as of 2026-05-20
fastapi-expert helps you build production-grade REST APIs with FastAPI, Pydantic V2, and async Python. FastAPI Expert provides specialized guidance for constructing high-performance REST APIs using async Python, Pydantic V2 validation, and production patterns. It covers endpoint design, database integration with async SQLAlchemy, JWT authentication, WebSocket endpoints, and OpenAPI documentation generation. Use this skill when you need to implement secure, well-validated APIs with proper dependency injection and async/await patterns.
Use it when
- FastAPI Expert covers Pydantic V2 data validation and schema design to ensure robust request/response handling.
- FastAPI Expert walks through JWT authentication and authorization flows using OAuth2 with password bearer tokens.
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Read SKILL.md below before installing (7 files). Open directory: indexed for reading, not audited.
Install
Jeffallan/claude-skills/fastapi-expert · repository language: Python
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Frequently asked questions
AI-generated answers based on this skill's SKILL.md and metadata
How to build FastAPI REST API with async Python patterns?
FastAPI Expert guides you through building production-grade REST APIs using async Python. Start by defining route handlers with async def, use path parameters and query strings for flexible endpoints, and leverage FastAPI's automatic OpenAPI documentation. FastAPI Expert emphasizes async/await patterns throughout to maximize concurrency and performance in your API layer.
What does FastAPI Pydantic V2 validation accomplish?
FastAPI Expert covers Pydantic V2 data validation and schema design to ensure robust request/response handling. Define Pydantic models for request bodies and responses, use field validators for custom logic, and benefit from automatic JSON schema generation. FastAPI Expert shows how V2's improved performance and validation syntax strengthen your API's data integrity.
How do you set up JWT authentication in FastAPI?
FastAPI Expert walks through JWT authentication and authorization flows using OAuth2 with password bearer tokens. Create token generation endpoints, validate tokens in dependency injection functions, and protect routes with security dependencies. FastAPI Expert includes password hashing best practices and token refresh strategies for production security.
How to configure async SQLAlchemy database operations?
FastAPI Expert demonstrates async SQLAlchemy integration for non-blocking database access. Use async sessions, define async CRUD operations, and manage connection pools efficiently. FastAPI Expert shows dependency injection patterns to provide database sessions to route handlers while maintaining async/await semantics throughout your data layer.
Can FastAPI Expert help with WebSocket and real-time endpoints?
FastAPI Expert covers WebSocket endpoint creation for real-time bidirectional communication. Implement connection managers, broadcast messages to multiple clients, and handle disconnections gracefully. FastAPI Expert integrates WebSocket patterns with your existing authentication and validation systems for secure real-time features.
What production patterns does FastAPI Expert emphasize?
FastAPI Expert focuses on dependency injection for clean architecture, comprehensive error handling with custom exception handlers, CORS middleware setup, background task execution, and performance optimization techniques. It covers middleware configuration, request validation, and testing strategies with pytest to ensure your FastAPI application meets production-grade standards.
SKILL.md
Rendered from the published skill. Quoted content, verbatim.
FastAPI Expert
Deep expertise in async Python, Pydantic V2, and production-grade API development with FastAPI.
When to Use This Skill
- Building REST APIs with FastAPI
- Implementing Pydantic V2 validation schemas
- Setting up async database operations
- Implementing JWT authentication/authorization
-
Creating WebSocket endpoints
(truncated - see the full file via the links below)
File tree — 7 files
skills/fastapi-expert/SKILL.md
skills/fastapi-expert/references/async-sqlalchemy.md
skills/fastapi-expert/references/authentication.md
skills/fastapi-expert/references/endpoints-routing.md
skills/fastapi-expert/references/migration-from-django.md
skills/fastapi-expert/references/pydantic-v2.md
skills/fastapi-expert/references/testing-async.md
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