Copy-ready rules for your AI coding agent

Battle-tested .cursor/rules, CLAUDE.md, AGENTS.md, Copilot and Windsurf instructions for your stack. Paste, commit, ship.

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Next.jsPython / FastAPIPython Data & MLReact Native / ExpoGoRuby on RailsUnity (C#)GodotPhaser (web games)Node.js / TypeScriptSvelteKitRustAstroDjangoLaravelFlutterVue / NuxtSupabaseTailwind CSSUnreal Engine (C++)Chrome extensionsMCP serversAny stack

All rules (26)

Astro content site rules

Cursor rules for Astro 5 sites with content collections, islands, and zero-JS-by-default pages.

CursorAstro

Chrome extension (Manifest V3) rules

Cursor rules for building Manifest V3 browser extensions with TypeScript and minimal permissions.

CursorChrome extensions

Django CLAUDE.md

CLAUDE.md for Django 5 projects with DRF, pytest-django and PostgreSQL.

Claude Code (CLAUDE.md)Django

Flutter AGENTS.md

AGENTS.md for Flutter apps with Riverpod, go_router and clean feature-first structure.

AGENTS.mdFlutter

Phaser 3 browser game rules

Windsurf rules for 2D browser games with Phaser 3, TypeScript and Vite.

WindsurfPhaser (web games)

Universal vibe-coding guardrails

Always-on Cursor rules that keep any AI agent careful: plan first, small diffs, verify, never fake it.

CursorAny stack

Go backend CLAUDE.md

CLAUDE.md for idiomatic Go HTTP services using the standard library, sqlc and table-driven tests.

Claude Code (CLAUDE.md)Go

Godot 4 GDScript AGENTS.md

AGENTS.md for Godot 4 projects using typed GDScript, signals and scene composition.

AGENTS.mdGodot

Laravel Copilot instructions

GitHub Copilot instructions for Laravel 11+ apps with Eloquent, Pest, and Form Requests.

GitHub CopilotLaravel

MCP server (TypeScript) AGENTS.md

AGENTS.md for building Model Context Protocol servers in TypeScript with clear tools, zod schemas and safe defaults.

AGENTS.mdMCP servers

Next.js App Router (TypeScript) rules

Cursor project rules for Next.js 15 App Router apps with TypeScript, Server Components, and Tailwind.

CursorNext.js

Next.js CLAUDE.md

A CLAUDE.md for Claude Code working in a Next.js + Prisma + Tailwind codebase.

Claude Code (CLAUDE.md)Next.js

Next.js Windsurf rules

Windsurf (Cascade) workspace rules for Next.js + shadcn/ui projects.

WindsurfNext.js

Nuxt 3 + Vue rules

Cursor rules for Nuxt 3 / Vue 3 apps using the Composition API, script setup and Pinia.

CursorVue / Nuxt

Python data & ML CLAUDE.md

CLAUDE.md for data science / ML repos using pandas or polars, notebooks, and reproducible pipelines.

Claude Code (CLAUDE.md)Python Data & ML

Python FastAPI AGENTS.md

Universal AGENTS.md for Codex, Jules, Cursor and other agents working on a FastAPI + uv project.

AGENTS.mdPython / FastAPI

Python FastAPI rules

Cursor rules for FastAPI services with Pydantic v2, SQLAlchemy 2.0, async, and pytest.

CursorPython / FastAPI

Ruby on Rails Copilot instructions

GitHub Copilot custom instructions for Rails 8 apps with Hotwire, RSpec and Rubocop.

GitHub CopilotRuby on Rails

React Native + Expo rules

Cursor rules for Expo Router apps with TypeScript, NativeWind and TanStack Query.

CursorReact Native / Expo

Rust CLI CLAUDE.md

CLAUDE.md for Rust command-line tools built with clap, anyhow and thiserror.

Claude Code (CLAUDE.md)Rust

Supabase backend rules

Cursor rules for apps on Supabase: Row Level Security first, migrations, typed clients and Edge Functions.

CursorSupabase

SvelteKit AGENTS.md

AGENTS.md for SvelteKit 2 + Svelte 5 (runes) apps with TypeScript.

AGENTS.mdSvelteKit

Tailwind CSS v4 rules

Windsurf rules for clean, consistent, accessible Tailwind CSS v4 styling.

WindsurfTailwind CSS

TypeScript Node.js API Copilot instructions

Copilot instructions for Node.js + TypeScript APIs with Hono/Express, zod and Vitest.

GitHub CopilotNode.js / TypeScript

Unity C# game dev rules

Cursor rules for Unity 6 projects in C#: performance, MonoBehaviour lifecycle, ScriptableObjects.

CursorUnity (C#)

Unreal Engine C++ CLAUDE.md

CLAUDE.md for Unreal Engine 5 C++ gameplay code: UPROPERTY rules, GC safety, and Blueprint exposure.

Claude Code (CLAUDE.md)Unreal Engine (C++)

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