DevOpsPython

FastAPI Expert

by Jeffallan

FastAPI Expert is a DevOps skill for Claude Code, published by Jeffallan in claude-skills.

11K stars1K forkson Jeffallan/claude-skillsAdded 2026/08/15Repository updated 2026/08/07
ai-agentsclaudeclaude-codeclaude-marketplaceclaude-skills
Install in seconds
Install FastAPI Expert
Copy FastAPI Expert into your Claude Code skills folder. Run the command in your terminal, or review the source on GitHub before installing.
terminal
npx degit https://github.com/Jeffallan/claude-skills/tree/main/skills/fastapi-expert ~/.claude/skills/fastapi-expert

Requires Node.js. Downloads this skill only — not the rest of the repository — into your Claude Code skills folder.

Without Node.js

git clone https://github.com/Jeffallan/claude-skills.git

Clones the whole repository, then copy the skill’s own directory into your skills folder yourself.

In this catalog

Source file
skills/fastapi-expert/SKILL.md in Jeffallan/claude-skills
Installs to
~/.claude/skills/fastapi-expert
Collection
One of 25 skills cataloged from this repository
Category
DevOps798 skills

What FastAPI Expert does

FastAPI Expert builds high-performance async Python APIs with FastAPI and Pydantic V2, covering REST endpoints, validation, async SQLAlchemy, JWT auth, WebSockets, and OpenAPI docs. Use it when building or maintaining FastAPI backends.

FastAPI Expert is cataloged under DevOps on DirSkills. FastAPI Expert comes from a repository tagged ai-agents, claude, claude-code, claude-marketplace and claude-skills.

Documentation

README

FastAPI Expert

Deep expertise in async Python, Pydantic V2, and production-grade API development with FastAPI.

When to Use This Skill

  • Building REST APIs with FastAPI
  • Implementing Pydantic V2 validation schemas
  • Setting up async database operations
  • Implementing JWT authentication/authorization
  • Creating WebSocket endpoints
  • Optimizing API performance

Core Workflow

  1. Analyze requirements — Identify endpoints, data models, auth needs
  2. Design schemas — Create Pydantic V2 models for validation
  3. Implement — Write async endpoints with proper dependency injection
  4. Secure — Add authentication, authorization, rate limiting
  5. Test — Write async tests with pytest and httpx; run pytest after each endpoint group and verify OpenAPI docs at /docs

This is the opening of the README. Read the full README on GitHub.

Commands FastAPI Expert provides

Slash commands named in this skill’s SKILL.md, listed in the order they first appear.

  • /docs

Frequently asked about FastAPI Expert

  • What else does Jeffallan publish alongside FastAPI Expert?

    FastAPI Expert is one of 25 skills that DirSkills catalogs from Jeffallan/claude-skills, the repository it ships in. Its siblings there include .NET Core Expert, API Designer and Angular Architect. Each one is a separate skill with its own page in this directory, installs the same way FastAPI Expert does, and is maintained by Jeffallan in that same repository. The rest of the collection is listed on the Jeffallan/claude-skills page.

  • How does FastAPI Expert compare to other DevOps skills?

    FastAPI Expert ranks #105 by stars among the 798 DevOps skills in this catalog. The most-starred ones next to it are Backend Patterns, API Connector Builder and Migration. DirSkills ranks by the star count of the repository each skill ships in, so that order reflects how popular those repositories are rather than any review of FastAPI Expert against them. Open each page to compare what they document and how they install.

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