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mcp/harbor
Cursor

ComfyUI Builder for Cursor

io.github.mit9/comfy-ui-builder

ComfyUI MCP server: knowledge base, workflow builder, real-time execution, models, plugins.

client:Cursor transport:stdio runtime:npm

Install ComfyUI Builder in Cursor

~/.cursor/mcp.json · windows: %USERPROFILE%\.cursor\mcp.json

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "comfy-ui-builder": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "mcp-comfy-ui-builder"
      ],
      "env": {
        "COMFYUI_HOST": "<COMFYUI_HOST>",
        "COMFYUI_PATH": "<COMFYUI_PATH>",
        "COMFYUI_KNOWLEDGE_DIR": "<COMFYUI_KNOWLEDGE_DIR>"
      }
    }
  }
}

Use .cursor/mcp.json in a project root instead to scope it to that project. Cursor merges both. Cursor docs

ComfyUI Builder in other clients

ComfyUI Builder MCP server