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mcp/harbor
Cline

21st.dev for Cline

dev.21st/mcp

Find UI components and themes, retrieve code, and generate with hosted 21st AI when enabled.

client:Cline transport:streamable-http

Install 21st.dev in Cline

~/Library/Application Support/Code/User/globalStorage/saoudrizwan.claude-dev/settings/cline_mcp_settings.json · windows: %APPDATA%\Code\User\globalStorage\saoudrizwan.claude-dev\settings\cline_mcp_settings.json 

{
  "mcpServers": {
    "mcp": {
      "url": "https://21st.dev/api/mcp"
    }
  }
}

Cline's MCP Servers pane edits this file for you if you would rather not find it. Cline docs

21st.dev in other clients

21st.dev MCP server