ComfyUI Builder

io.github.MIt9/comfy-ui-builder·v2.4.1·Memory & RAG

Quality Score

/100

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

Repository →

§01 Install

Claude Desktop (claude_desktop_config.json)

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

Cursor (.cursor/mcp.json)

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

Cline (cline_mcp_settings.json)

npx -y mcp-comfy-ui-builder

§02 Environment variables

COMFYUI_HOST

ComfyUI API URL (e.g. http://127.0.0.1:8188). Required for execution, queue, outputs.

COMFYUI_PATH

Path to ComfyUI install. Required for install_custom_node, install_model.

COMFYUI_KNOWLEDGE_DIR

Path to knowledge directory (default: package knowledge/). Use when MCP runs from different cwd.

§03 MCP Quality Score · methodology

freshness

completeness

installability

documentation

stability

§04 Alternatives in Memory & RAG

DoneThat

ai.donethat/donethat

Privacy-first work tracking with summaries, reports, coaching, and AI-ready long-term memory.

Fodda Knowledge Graphs

ai.fodda/mcp-server

Expert-curated knowledge graphs for AI agents — PSFK Retail, Beauty, Sports and more.

ai.meminal/meminal

Memory for deep conversational context across any platform