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Comfyui MCP server

by MetaBrain-Labs·io.github.MetaBrain-Labs/comfyui-mcp-server·v1.0.1·9 stars
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MCP Server that transforms ComfyUI workflows into AI-callable tools for MCP Host

B74/100grade B
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Safety scan
B74/100

full report

Adoption
Growing

9 stars88 downloads/wk

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If you have run it, two minutes of your experience saves the next person an afternoon.

Comfyui tools (14, 1 write)

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

  • cui_get_task_detail
  • get_core_manual
  • get_prompt_result
  • get_system_status
  • get_workflow_API
  • get_workflows_catalog
  • interrupt_prompt
  • list_models
  • mount_workflow
  • queue_custom_prompt
  • queue_prompt
  • save_custom_workflow
  • save_task_assets
  • upload_assetswrite action

Public scan report

scanner v0.1.9 · 2026-09-27 · same rubric, same numbers if you re-run it

no findings
  • Code scan60 source files scanned25/25
  • –Live reliabilityno gateway calls yet and no remote to proben/a
  • –Tool poisoningtools not inspected (local package is not executed); not countedn/a
  • Auth qualitylocal package, no credentials required12/15
  • Maintenancelast push 192 days ago4/15
  • Maintainer identityregistry namespace matches repository owner7/10
Overall 74/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How Comfyui compares

Against every graded MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
74/100
higher than 40% of 48,255 servers
Tools
14
the typical server has 7
Tools that change things
7%
typical: 0%. Fewer write tools means less an agent can break
GitHub stars
9
more than 87% of 28,688 servers
Downloads a week
88
more than 60% of 12,191 servers with a package

What its tools let an agent do: 11 read · 3 create

Install Comfyui in Claude Code, Cursor or VS Code

Runs npx -y @metabrain-labs/comfyui-mcp-server on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add comfyui-mcp-server -- npx -y @metabrain-labs/comfyui-mcp-server
Add to Cursor

What the publisher says

From the Comfyui repository's README, as published. We do not edit it. Read it on GitHub

ComfyUI-MCP-Server - ComfyUI Model Context Protocol Integration

[简体中文] [ENGLISH]

[!NOTE]

⭐ 如果您喜欢该项目或觉得有帮助，请给项目点一个 Star，您的支持是我们持续改进的动力！

ComfyUI-MCP-Server 是一个基于 MCP（Model Context Protocol / 模型上下文协议）的服务器实现，将 ComfyUI 中用户定义的工作流转化为参数可配置的 MCP 工具，供 AI 代理（Agents）直接使用。

本项目提供 Python 与 TypeScript 两个独立语言版本，功能基本对等，可按需选用：

注：Python 版本带有更多实验性功能，TypeScript 版本则更稳定。

📋 项目功能

通过本项目，您可以通过连接ComfyUI从而赋予 AI 助手（如 Claude Desktop、Trae、Dify 等）强大的多媒体生成能力：

✨ 项目特色

  • 🔌 工作流即工具：将 ComfyUI 的节点图抽象为可供Agent使用的工具。
  • 🎛️ 自定义参数暴露：可在工作流中精确定义哪些参数对外可见，限定 AI 在暴露范围内操作，防止模型幻觉与误操作。
  • 🔧 零侵入接入：无需修改 ComfyUI 本体或安装任何必要插件，部署即连，开箱即用。
  • 📥 自定义工作流导入：可手动导入 API 格式的工作流 JSON 文件，通过校验后即刻对 Agent 可用，无需重启服务。
  • 📂 资产管理：支持从本地路径或网络 URL 自动上传资源至 ComfyUI。
  • ⚡ 流式与进度支持：支持生成进度报告（需 Client/Host 支持）。
  • 🌍 国际化双语支持：内置中英文（zh-CN/en）国际化。
  • 🧩 标准 MCP 适配：全面支持 STDIO 与 Streamable HTTP 通信协议。
  • 🔬 Skills 支持：包含项目技能手册SKILL.md，针对支持 Skills 的 AI 助手通过 Skills 进行深度优化。

更多详情可查阅 为什么选择我们

🧰 可用工具集

AI 代理可以通过 MCP 协议调用以下内置工具：

Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

Comfyui: common questions

Is Comfyui MCP server safe?
Mostly: it is graded B (74/100). Read the Comfyui safety report
How do I install Comfyui?
It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does Comfyui need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Comfyui maintained?
The last commit was 229 days ago (2026-03-20). The latest release is v1.0.1.
How does Comfyui compare with other MCP servers?
safety score 74/100 (higher than 40% of 48,255 servers); tools 14 (the typical server has 7); tools that change things 7% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.