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.

• ASP.NET Core Razor Pages + EF Core

  Aibysitter lint score A 100 CLAUDE.md, 44 lines

  Server-rendered .NET 10 web app with Razor Pages, EF Core on SQL Server, and xUnit page tests.

  • C#
  • Razor Pages
  • EF Core
  • SQL Server
  • xUnit

• ASP.NET Core Web API

  Aibysitter lint score A 100 AGENTS.md, 38 lines

  Minimal-API service on .NET 10 with PostgreSQL, typed results, problem details, and policy-based authorization.

  • C#
  • Web API
  • PostgreSQL
  • OpenAPI
  • xUnit

• ASP.NET Core Web API, Copilot instructions

  Aibysitter lint score A 100 copilot-instructions.md, 38 lines

  The ASP.NET Core Web API rules as GitHub Copilot repository instructions: same content.

  • C#
  • Web API
  • PostgreSQL
  • OpenAPI
  • xUnit
  • GitHub Copilot

• WinForms + DevExpress desktop app

  Aibysitter lint score A 100 CLAUDE.md, 38 lines

  Windows desktop app on .NET 10 with DevExpress controls, a UI-free core library, and fixture-based CSV export tests.

  • C#
  • WinForms
  • DevExpress
  • Desktop
  • xUnit

• Minimal starter

  Aibysitter lint score A 100 CLAUDE.md, 26 lines

  A short, stack-neutral template: stack, commands, six working rules, and a definition of done.

  • Template
  • Any stack

• Minimal starter, .windsurfrules

  Aibysitter lint score A 100 .windsurfrules, 26 lines Legacy format

  The stack-neutral starter as a Windsurf workspace rules file: same content.

  • Template
  • Any stack
  • Windsurf

• Monorepo root

  Aibysitter lint score A 100 AGENTS.md, 28 lines

  Root AGENTS.md for a pnpm and Turborepo workspace: commands, package boundaries, scope limits, and Changesets.

  • Monorepo
  • pnpm
  • Turborepo
  • Changesets

• Go HTTP service

  Aibysitter lint score A 100 AGENTS.md, 40 lines

  Standard-library HTTP service with method-pattern routing, pgx and sqlc, slog logging, and table-driven tests.

  • Go
  • net/http
  • PostgreSQL
  • sqlc
  • slog

• Go HTTP service, GEMINI.md

  Aibysitter lint score A 100 GEMINI.md, 40 lines

  The Go HTTP service rules as a Gemini CLI context file: same content.

  • Go
  • net/http
  • PostgreSQL
  • sqlc
  • slog
  • Gemini CLI

• Next.js app (TypeScript)

  Aibysitter lint score A 100 AGENTS.md, 38 lines

  App Router app with Server Components by default, Server Actions, Zod validation, Vitest, and Playwright.

  • TypeScript
  • Next.js
  • React
  • Tailwind CSS
  • pnpm

• Next.js app (TypeScript), Cursor rule

  Aibysitter lint score A 100 nextjs.mdc, 43 lines

  The Next.js rules as a Cursor .mdc rule: same content, with frontmatter that applies it to every request.

  • TypeScript
  • Next.js
  • React
  • Tailwind CSS
  • pnpm
  • Cursor

• 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