Use when creating FastAPI backend applications - route handlers, dependencies, CORS config, or Pydantic models. NOT when frontend logic, non-Python backends, or unrelated server-side code. Triggers: "FastAPI", "student endpoint", "API route", "dependency injection", "CORS", "Pydantic model".
Install
npx skills add aiskillstore/marketplace --skill fastapi-appnpx skills add aiskillstore/marketplace --skill fastapi-app -a claude-code -gnpx skills add aiskillstore/marketplace --skill fastapi-app -a codex -ggemini skills install https://github.com/aiskillstore/marketplace.git --path skills/awais68/fastapi-appgh skill install aiskillstore/marketplace fastapi-appgit clone --depth 1 https://github.com/aiskillstore/marketplace /tmp/aiskillstore__marketplace
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/aiskillstore__marketplace/skills/awais68/fastapi-app ~/.claude/skills/fastapi-app # Claude Code
cp -R /tmp/aiskillstore__marketplace/skills/awais68/fastapi-app ~/.agents/skills/fastapi-app # Codex, Cursor, Gemini CLI, Copilot, OpenCode