MCP Server

io.github.miller-joe/comfyui-mcp MCP Server

Name: io.github.miller-joe/comfyui-mcp MCP Server
Author: io.github.miller-joe

io.github.miller-joe/comfyui-mcp

Repository Registry

What is the io.github.miller-joe/comfyui-mcp MCP server?

MCP server for ComfyUI: text-to-image, variations, img2img refine, upscale, image proxy.

How to install io.github.miller-joe/comfyui-mcp

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

COMFYUI_URL
ComfyUI HTTP URL used internally by this server. Default: http://127.0.0.1:8188
COMFYUI_PUBLIC_URL
Externally-reachable ComfyUI URL used in image URLs returned to clients. Set when the internal URL isn't reachable from MCP clients (common with Docker networks).
COMFYUI_DEFAULT_CKPT
Default checkpoint filename. Default: sd_xl_base_1.0.safetensors

Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "comfyui-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@miller-joe/comfyui-mcp"
      ],
      "env": {
        "COMFYUI_URL": "<YOUR_COMFYUI_URL>",
        "COMFYUI_PUBLIC_URL": "<YOUR_COMFYUI_PUBLIC_URL>",
        "COMFYUI_DEFAULT_CKPT": "<YOUR_COMFYUI_DEFAULT_CKPT>"
      }
    }
  }
}

Cursor

~/.cursor/mcp.json

{
  "mcpServers": {
    "comfyui-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@miller-joe/comfyui-mcp"
      ],
      "env": {
        "COMFYUI_URL": "<YOUR_COMFYUI_URL>",
        "COMFYUI_PUBLIC_URL": "<YOUR_COMFYUI_PUBLIC_URL>",
        "COMFYUI_DEFAULT_CKPT": "<YOUR_COMFYUI_DEFAULT_CKPT>"
      }
    }
  }
}

Windsurf

~/.codeium/windsurf/mcp_config.json

{
  "mcpServers": {
    "comfyui-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@miller-joe/comfyui-mcp"
      ],
      "env": {
        "COMFYUI_URL": "<YOUR_COMFYUI_URL>",
        "COMFYUI_PUBLIC_URL": "<YOUR_COMFYUI_PUBLIC_URL>",
        "COMFYUI_DEFAULT_CKPT": "<YOUR_COMFYUI_DEFAULT_CKPT>"
      }
    }
  }
}

VS Code

.vscode/mcp.json

{
  "servers": {
    "comfyui-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@miller-joe/comfyui-mcp"
      ],
      "env": {
        "COMFYUI_URL": "<YOUR_COMFYUI_URL>",
        "COMFYUI_PUBLIC_URL": "<YOUR_COMFYUI_PUBLIC_URL>",
        "COMFYUI_DEFAULT_CKPT": "<YOUR_COMFYUI_DEFAULT_CKPT>"
      }
    }
  }
}

Claude Code

claude mcp add comfyui-mcp --env COMFYUI_URL=<YOUR_COMFYUI_URL> --env COMFYUI_PUBLIC_URL=<YOUR_COMFYUI_PUBLIC_URL> --env COMFYUI_DEFAULT_CKPT=<YOUR_COMFYUI_DEFAULT_CKPT> -- npx -y @miller-joe/comfyui-mcp

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