{ "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json", "name": "dev.21st/mcp", "title": "21st.dev", "description": "Find UI components and themes, retrieve code, and generate with hosted 21st AI when enabled.", "version": "1.0.1", "websiteUrl": "https://21st.dev/mcp", "remotes": [ { "type": "streamable-http", "url": "https://21st.dev/api/mcp", "headers": [ { "name": "x-api-key", "description": "Your 21st.dev API key from https://21st.dev/settings/api-keys. Authentication is required for discovery and tool calls. Generation tools are listed only when the account has hosted AI access.", "isRequired": true, "isSecret": true } ] } ] }