Can I manage complex authorization with this skill?

Absolutely. It covers sub-dependency chains that allow you to build hierarchical security checks, such as verifying a token, then fetching a user, and finally checking for specific permissions.

How does dependency caching work in FastAPI?

By default, FastAPI caches the result of a dependency within a single request. This skill shows you how to leverage this for performance or bypass it when fresh data is required.

What are the benefits of using DI in FastAPI?

Dependency injection in FastAPI promotes code reuse, simplifies database connection management, and makes unit testing significantly easier by allowing you to override dependencies with mocks.

Does this skill support async resource cleanup?

Yes, it provides patterns for using yield in dependencies, which ensures that resources like database connections or HTTP clients are properly closed after the request is finished.

FastAPI Dependency Injection Master

Name: FastAPI Dependency Injection Master
Author: TheBushidoCollective

byTheBushidoCollective

•

API開発

Builds modular and testable FastAPI applications using advanced dependency injection patterns for services and security.

This skill empowers Claude with specialized knowledge of FastAPI's dependency injection (DI) system, the core engine for creating professional-grade APIs. It provides implementation patterns for basic functional dependencies, complex sub-dependency chains, and stateful class-based providers. By leveraging this skill, developers can ensure proper resource lifecycle management through async generators, optimize performance with request-scoped caching, and implement robust authentication architectures using OAuth2. It is essential for building decoupled, maintainable backends that are easy to unit test and scale.

主な機能

01Stateful and configurable class-based dependency injection patterns

0239 GitHub stars

03Advanced dependency scoping and request-level caching control

04Seamless integration with OAuth2 security flows and JWT verification

05Resource management using async generator dependencies for guaranteed cleanup

06Hierarchical sub-dependency chains for multi-layered authorization

ユースケース

01Implementing granular permission-based authorization across nested API resources

02Creating reusable service clients for external APIs with configurable timeouts and retries

03Decoupling database session management and transactions from route handlers

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add thebushidocollective/han fastapi-dependency-injection

For use in Claude.ai and ChatGPT

Download Skill