21st
Marketplace of shadcn-based React components, like npm for design engineers
Launched 22 months ago21st.dev
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About 21st
21st.dev is an open-source marketplace where developers find, remix and share React and Tailwind components built on the shadcn/ui approach. Components install with a single npx shadcn command, and an AI feature called Magic generates new ones from a prompt. The site also works as an MCP server, so coding agents can discover and compose components through an API. It began as one developer's way of saving components and grew into a community library.
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