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fastapi-router-creator

Create modular FastAPI routers with versioning and dependency configuration.

Updated Aug 23, 2026
Search Tags:#fastapi#python#openapi#router#api-design#modular-architecture
One-click install
npx skills add https://github.com/ksrae/tag-diary-app --skill fastapi-router-creator-ksrae
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: fastapi-router-creator
Source: https://github.com/ksrae/tag-diary-app/tree/main/.agents/skills/fastapi-router-creator
Command: npx skills add https://github.com/ksrae/tag-diary-app --skill fastapi-router-creator-ksrae

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This guide helps developers structure FastAPI projects by using modular routers and file-based routing to keep APIs scalable and maintainable.

Core Features & Use Cases

  • Supports Modular Router Pattern (APIRouter composition) with an aggregator to bundle endpoints under versioned prefixes.
  • Provides File-Based Routing options for a Next.js-like developer experience and rapid endpoint scaffolding.
  • Includes best practices for versioning, tagging, and dependencies at the router level to improve OpenAPI docs and maintainability.

Quick Start

Create a new modular router module (e.g., users.py) following the patterns shown and wire it into the main API aggregation to expose v1 endpoints.

Frequently Asked Questions about fastapi-router-creator

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I organize FastAPI routes into modular patterns?▼

Organize FastAPI routes by using APIRouter composition to separate endpoints into distinct modules. You then wire these modular routers into a main aggregator to expose them under versioned prefixes, keeping the API scalable and maintainable.

What is file-based routing in FastAPI?▼

File-based routing in FastAPI is a pattern that automatically maps endpoint files to application routes, providing a Next.js-like developer experience for rapid endpoint scaffolding without manual router wiring.

Can I configure dependencies at the router level in FastAPI?▼

Yes, you can configure dependencies at the router level in FastAPI. Applying dependencies directly to APIRouter instances ensures consistent authentication or validation across all endpoints within that specific modular router.

What's the best way to implement API versioning with FastAPI routers?▼

The best way to implement API versioning with FastAPI routers is using an aggregator to bundle modular APIRouter instances under versioned prefixes like v1, ensuring clear separation of different API versions.

How do tags improve FastAPI OpenAPI documentation?▼

Tags improve FastAPI OpenAPI documentation by grouping related endpoints together in the generated schema. Applying tags at the router level automatically categorizes endpoints, making the interactive API docs easier to navigate.

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