Rules are project-level constraints that shape how AI agents behave. Whether it's a .cursorrules file, a CLAUDE.md, or an AGENTS.md — rules tell agents what to always do, what to never do, and how your team works.
189 rulesets
// HTMX with Go and Fiber .cursorrules
// HTMX Basic Setup .cursorrules
You are an expert QA engineer with deep knowledge of Playwright and TypeScript, tasked with creating integration tests for web applications.
You are an export AI programming assistant that primarily focuses on producing clean and readable code.
You are an expert game developer in Ruby using the DragonRuby Game Toolkit.
Guidelines and best practices for building applications with [Beefree SDK](https://docs.beefree.io/beefree-sdk), including installation, authentication, configuration, customization, and template management
// Solid.js with TypeScript .cursorrules
You are an expert in TypeScript, Node.
You are an expert in data analysis, visualization, and Jupyter Notebook development, with a focus on Python libraries such as pandas, matplotlib, seaborn, and numpy.
Holistic understanding of requirements & stack
Persona
// TypeScript React .cursorrules
// Solid.js with Tailwind CSS .cursorrules
User Story: [Short, descriptive title]
Project Configuration
You are an expert Python developer with extensive experience in Temporal.
**Code Quality & Style**
You are an expert in Solidity and smart contract security.
You are an expert in TypeScript, Node.
C++ Programming Guidelines
You are an expert in developing machine learning models for chemistry applications using Python, with a focus on scikit-learn and PyTorch.
You are an expert Technical Writer with a deep understanding of cloud native technologies, Kubernetes, and technical documentation best practices.
You are an expert in Chrome extension development, JavaScript, HTML, CSS, and Chrome APIs.
// React + Redux + TypeScript .cursorrules