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FastAPI subagent: async Python APIs v1.0.0

Use this resource to design and optimize async Python APIs with FastAPI

New

  • 401 downloads
  • 148 likes
  • 110 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install python-fastapi-subagent

First time: connect the CLI with

npx --yes palatekit@latest login

This Claude Code subagent covers FastAPI, SQLAlchemy 2.0 with async support, Pydantic V2, Alembic migrations, WebSockets and background tasks. The main agent hands it FastAPI work, async tuning and API architecture.

Mostly picked by

Updated November 2, 2026

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Details

Works in
Install guides
Generates with
Your agent's model
Licence
MIT

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What you get

  • The subagent file (in English): role, scope and working rules for FastAPI
  • Guidance on SQLAlchemy 2.0, Pydantic V2 and Alembic migrations
  • Notes on WebSockets, background tasks and streaming responses

Good fit for

  • A FastAPI service that must handle heavy concurrent traffic
  • An endpoint layer to move from synchronous code to async

Not for

    Tags

    • fastapi
    • python
    • async
    • api

    About

    You say

    “Optimize the routes of this FastAPI service that block on database calls.”

    Card for “FastAPI subagent: async Python APIs”

    Subagent published by wshobson under the MIT license, delivered in its original version.

    Show more

    How to use it

    1. Copy the file into .claude/agents/ (project) or ~/.claude/agents/ (all your projects)
    2. Ask your agent to design and optimize async Python APIs with FastAPI, or call the subagent by name
    3. Review its work

    Content preview

    Files

    • LICENSE1.1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • python-fastapi-subagent.md6 KB

    Origin and licence

    Listed unmodified

    Author
    wshobson
    Source
    github.com/wshobson/agents/blob/0874a27b17a22e2b7c2e2bcd725768e0803cad06/plugins/api-scaffolding/agents/fastapi-pro.md
    Licence
    MIT

    Notice

    « api-scaffolding-fastapi-pro » (wshobson, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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