ComfyUI MCP Server

ComfyUI MCP Server

A Model Context Protocol (MCP) server for ComfyUI that provides image generation and prompt optimization services.

Features

• Image Generation: Generate images using ComfyUI text_to_image workflows
• Prompt Optimization: Optimize image generation prompts for better results

Server Architecture

1. Core Components:

   • FastMCP framework implementation
   • ComfyUI API integration
   • Polling mechanism for result retrieval

2. Key Functions:

   • generate_image: Creates images from text prompts
   • optimize_image_prompt: Enhances input prompts for better generation results

3. Technical Specifications:

   • Automatic image dimension adjustment (multiples of 8)
   • Random seed generation for diverse outputs
   • Returns both local file paths and online accessible URLs

Configuration

{
  "mcpServers": {
    "ComfyUI_MCP_Server": {
      "disabled": false,
      "timeout": 600,
      "command": "python",
      "args": [
        "D:\\code\\comfyui_mcp_server\\server.py"
      ],
      "env": {
        "COMFY_URL": "http://127.0.0.1:8188/"
      },
      "transportType": "stdio"
    }
  }
}

Requirements

• Python 3.7+
• ComfyUI instance running
• FastMCP library installed