TL;DR
21st.dev is a Model Context Protocol (MCP) server. Search 21st.dev UI components & themes, get their code, and generate new ones with 21st AI. Install with: Remote MCP: https://21st.dev/api/mcp. It speaks the Model Context Protocol and works with any compatible client (Claude, Cursor, Cline, Windsurf, Warp and more).
21st.dev
Search 21st.dev UI components & themes, get their code, and generate new ones with 21st AI.
Install Command
Remote MCP: https://21st.dev/api/mcpFrequently Asked Questions
21st.dev is a Model Context Protocol server that Search 21st.dev UI components & themes, get their code, and generate new ones with 21st AI.
You can install it by running the install command: `Remote MCP: https://21st.dev/api/mcp`. It then becomes available to any MCP-compatible client such as Claude, Cursor, Cline, Windsurf.
The 21st.dev MCP Server is compatible with any client that speaks the Model Context Protocol — including Claude, Cursor, Cline, Windsurf.
Check the project license on its repository before use.
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- License
- Last Updated
- Aug 12, 2026
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Client Compatibility
Speaks the Model Context Protocol — works with any compatible client.