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fastapi-patterns

FastAPI patterns — routers, dependency injection, Pydantic v2.

Skill by alec-c4

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Works with Claude Code, Claude apps, Codex, Cursor, Gemini CLI, GitHub Copilot, VS Code, OpenCode, Goose, Windsurf. Read the repository before you give any tool access to your data.

npx agentmarket install skill/alec-c4-fastapi-patterns

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About

FastAPI patterns — routers, dependency injection, Pydantic v2. Load after stacks/fastapi profile.

Use cases: backend

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What this skill can do and what it asks for, from its SKILL.md. Checked Oct 25, 2026.

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  • codeload.github.com · found in install command

Files it touches

  • ~/.claude/skills/fastapi-patterns

What's inside

Skill name
fastapi-patterns
Description
FastAPI patterns — routers, dependency injection, Pydantic v2. Load after stacks/fastapi profile.
License
MIT
Instructions
23 lines in SKILL.md · view on GitHub

Files (1)

  • SKILL.md

SKILL.md (first lines)

# FastAPI patterns

Load after [stacks/fastapi](../stacks/fastapi/SKILL.md).

## Structure

- **APIRouter** per domain; mount in `main.py`.
- **Depends** for DB sessions, auth, settings — no global mutable state.
- **Pydantic v2** models for request/response ([profile dod_overlay](../stacks/fastapi/profile.yaml) `pydantic_validation`).

## Async

- Use `async def` only when IO-bound; avoid blocking calls in async routes.

## Testing

- `TestClient` / `httpx.AsyncClient` with dependency overrides for DB.

## References

- [FastAPI docs](https://fastapi.tiangolo.com/)

From alec-c4/agent_dev_kit, MIT.

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Last commit (this folder)
Sep 7, 2026 (1 month ago)

From GitHub (fetched Oct 24, 2026).

Details

License
MIT
First seen
Oct 24, 2026
Last checked
Oct 24, 2026

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Cite this page

fastapi-patterns skill. Agent Mart. https://agentmart.dev/skills/alec-c4-fastapi-patterns (last updated 2026-10-24)