Fastapi router py

Skill bcastelino/agent-skills-kit/skills/fastapi-router-py

Toolkit for authoring and packaging Agent Skills. Includes a meta skill, templates, a sample skill, and scripts for validation and packaging

Install

npx -y skills add bcastelino/agent-skills-kit --skill fastapi-router-py

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Create FastAPI routers with CRUD operations, authentication dependencies, and proper response models. Use when building REST API endpoints, creating new routes, implementing CRUD operations, or add...

SKILL.md

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FastAPI Router

Create FastAPI routers following established patterns with proper authentication, response models, and HTTP status codes.

Quick Start

Copy the template from assets/template.py and replace placeholders:

{{ResourceName}} → PascalCase name (e.g., Project)
{{resource_name}} → snake_case name (e.g., project)
{{resource_plural}} → plural form (e.g., projects)

Authentication Patterns

# Optional auth - returns None if not authenticated
current_user: Optional[User] = Depends(get_current_user)

# Required auth - raises 401 if not authenticated
current_user: User = Depends(get_current_user_required)

Response Models

@router.get("/items/{item_id}", response_model=Item)
async def get_item(item_id: str) -> Item:
    ...

@router.get("/items", response_model=list[Item])
async def list_items() -> list[Item]:
    ...

HTTP Status Codes

@router.post("/items", status_code=status.HTTP_201_CREATED)
@router.delete("/items/{id}", status_code=status.HTTP_204_NO_CONTENT)

Integration Steps

Create router in src/backend/app/routers/
Mount in src/backend/app/main.py
Create corresponding Pydantic models
Create service layer if needed
Add frontend API functions

When to Use

This skill is applicable to execute the workflow or actions described in the overview.