n8n Workflow Builder MCP Server

@ifmelate

代码仓库

基本信息

分类

推理

许可证

MIT

传输方式

stdio

作者

ifmelate

关于 n8n Workflow Builder MCP Server

MCP server that allow LLM in agent mode builds n8n workflows for you

#n8n #workflow #llm#nodes

n8n Workflow Builder MCP Server 配置

使用下面的配置,将此服务器添加到你的 MCP 客户端。

{
  "mcpServers": {
    "n8n-workflow-builder": {
      "command": "node",
      "args": [
        "/absolute/path/to/n8n-workflow-builder-mcp/dist/index.js"
      ]
    }
  }
}

n8n Workflow Builder MCP Server 工具

工具列表暂未提供

当前收录暂时没有可展示的工具列表，不代表服务没有工具。请查阅项目文档了解支持的能力。

工具是从 README 中自动提取的。维护者可以在 ## Tools 标题下列出工具,即可填充这部分内容。

概览

What is n8n Workflow Builder MCP?

An MCP server for building and manipulating n8n workflows using natural language prompts. Works with Claude Code, VS Code, Cursor, and any MCP‑compatible client.

How to use n8n Workflow Builder MCP?

Install via npx -y n8n-workflow-builder-mcp and set the environment variables N8N_API_URL and N8N_API_KEY (the N8N_VERSION is auto‑detected). Configure the server in your MCP client’s config file (.vscode/mcp.json, .cursor/mcp.json, or via claude mcp add).

Key features of n8n Workflow Builder MCP

Create, update, and list n8n workflows programmatically
Add, edit, and delete nodes in workflows
Manage connections between workflow nodes
Automatic n8n version detection and compatibility (184+ versions)
AI tools for wiring AI components (model, memory, vector store)
Plan, review, and apply workflow changes with validation

Use cases of n8n Workflow Builder MCP

Build n8n workflows by prompting with AI
Programmatically create and modify workflows using an AI agent
Explore available n8n nodes and their capabilities
Wire AI components (model, memory, vector store) into a workflow
Automate workflow composition with built‑in planning and validation

常见问题

What are the prerequisites?

Node.js v18 or higher, npm, and an MCP‑compatible client (Claude Code, VS Code, Cursor, etc.).

How do I get an n8n API key?

In your n8n instance, go to **Settings > API Keys**, click **Create API Key**, and copy the generated key.

What n8n versions are supported?

184+ versions from 1.86.0 to 2.6.2, with automatic version detection and “closest lower version” matching for backward compatibility.

How do I troubleshoot connection issues?

Check your MCP config for valid JSON and matching server name, update Node.js, clear npm cache (`npm cache clean --force`), or try a global install (`

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