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FastAPI, Pydantic and SSE best practices v1.0.0

Use this resource to write FastAPI APIs and Pydantic models following current conventions

New

  • 331 downloads
  • 231 likes
  • 207 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install fastapi-api-conventions

With no option, the skill goes to ~/.agents/skills/; add --agent claude-code (or codex, cursor…) to target an agent.

First time: connect the CLI with

npx --yes palatekit@latest login

The agent applies FastAPI conventions: Annotated, dependencies, typed responses, SSE and JSON Lines streams, routers and OpenTelemetry tracing. You get up-to-date FastAPI code with consistent Pydantic models.

Mostly picked by

Updated November 2, 2026

Card for the “FastAPI, Pydantic and SSE best practices” skill

Details

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

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What you get

  • SKILL.md: quick reference, fastapi CLI and conventions
  • references/: dependencies, Pydantic, responses, streaming and other tools

Good fit for

  • You add an SSE stream to a Python API
  • You structure routes around shared dependencies

Not for

    Tags

    • fastapi
    • python
    • pydantic
    • sse

    About

    You say

    “Add a FastAPI route that streams an LLM response over SSE.”

    Card for the “FastAPI, Pydantic and SSE best practices” skill

    Skill published by fastapi under the MIT license, delivered in its original version.

    Show more

    How to use it

    1. Install the skill in your agent's skills folder
    2. Ask your agent to write FastAPI APIs and Pydantic models following current conventions
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1.1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • references/dependencies.md3.3 KB
    • references/other-tools.md1.6 KB
    • references/path-operations.md1.6 KB
    • references/pydantic.md1.9 KB
    • references/responses.md1.9 KB
    • references/streaming.md2.6 KB
    • SKILL.md11 KB

    Origin and licence

    Listed unmodified

    Author
    fastapi
    Source
    github.com/fastapi/fastapi/tree/79cab5bed28b24d92c185d236feb33f5783dfeb3/fastapi/.agents/skills/fastapi
    Licence
    MIT

    Notice

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

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