cursor.directory is a resource directory designed for web development experts, providing a platform for them to share their specialized knowledge on various technologies and tools. It offers a library of Cursor configurations and prompt libraries for various programming languages that assist the Cursor editor in better understanding developers' intents, ensuring more accurate support for code completion, error fixing, and other editing functions. These prompts cover a range of popular programming languages and frameworks, including Python, React, TypeScript, Next.js, and FastAPI. Users can also contribute content by submitting their own rules. This platform places a strong emphasis on deep understanding and best practices for modern web development technologies such as TypeScript, Node.js, and React.