Standardize FastAPI routing, dependency injection, and error handling patterns.
npx skills add https://github.com/anicdh/agstack --skill python-fastapi-anicdh
Please help me install this Agent Skill. Skill: python-fastapi Source: https://github.com/anicdh/agstack/tree/main/.claude/skills/python/python-fastapi Command: npx skills add https://github.com/anicdh/agstack --skill python-fastapi-anicdh
Inconsistent FastAPI implementations slow development, cause bugs, and hinder maintenance. This guide provides a standardized approach to building modular FastAPI apps with router patterns, dependency injection, and robust error handling. Always read python-dev first.
Read this guide and apply FastAPI patterns to your project now.
High-intent search queries and answers about installing and using this skill.
To structure a scalable FastAPI project, use APIRouter with explicit prefixes and tags to modularize routing. This pattern separates route definitions into independent modules, ensuring maintainable and well-organized API endpoints across large codebases.
The best way to handle FastAPI dependency injection is using the Depends function to inject reusable services. This standardizes component lifecycles and decouples business logic from route handlers, improving code consistency and testability.
To standardize FastAPI request and response handling, define Pydantic v2 models and declare them using the response_model parameter. Combine this with explicit status codes to ensure predictable API payloads and consistent data validation.
You need explicit status codes and response_model in FastAPI routes to enforce predictable API behavior and robust error handling. This practice prevents ambiguous HTTP responses, validates outgoing data structures, and maintains consistent API contracts.
Yes, you can use FastAPI dependency injection via Depends to share reusable services across multiple APIRouter instances. This approach centralizes service logic, standardizes data access, and ensures consistent behavior throughout modular backend applications.
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