<ul><li>21st.dev is an open source registry for reusable React components, similar to npm for frontend components, allowing developers to discover, share, and remix UI components.</li><li>The components in 21st.dev are built with Tailwind CSS and Radix UI, offering a library of highly searchable React components uploaded by developers.</li><li>The platform offers an MCP feature that enables AI IDE assistants to create new components based on the ones submitted, supporting Cursor, Windsurf, and VS Code + Cline.</li><li>While the component library is great and easy to use, the pricing model, which is token-based with a subscription model, has raised concerns about over-monetization and the lack of open source code for the platform.</li></ul>

21st.dev: The Future Of Frontend Development

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