Rules gallery

Example rules files for common stacks and agents (CLAUDE.md, AGENTS.md, Cursor, Copilot, Gemini, Windsurf), scored by the same linter as the lint page. All of them are public domain (CC0): copy one into your repo and edit it. To combine stacks, use the rules packs.

Written for this site, CC0, scored by this linter, not tested against any agent.

• Python FastAPI service

  Aibysitter lint score A 100 CLAUDE.md, 41 lines

  Async FastAPI service with SQLAlchemy 2.0, Alembic migrations, strict typing, and money stored in minor units.

  • Python
  • FastAPI
  • SQLAlchemy
  • pytest
  • uv

• Python FastAPI service, .cursorrules

  Aibysitter lint score A 100 .cursorrules, 41 lines Legacy format

  The FastAPI service rules as a legacy Cursor .cursorrules file: same content.

  • Python
  • FastAPI
  • SQLAlchemy
  • pytest
  • uv
  • Cursor