MCP n8n API Server

@ahmadsoliman

Repository

Basic information

About MCP n8n API Server

MCP server for n8n API integration - Connect Claude AI to n8n workflows

#mcp #n8n #api #integration #workflow

MCP n8n API Server config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "mcp-n8n-server": {
      "command": "npx",
      "args": [
        "-y",
        "@ahmad.soliman/mcp-n8n-server"
      ]
    }
  }
}

MCP n8n API Server tools

Get all n8n workflows

Get all webhooks in a workflow

Call a GET webhook

Call a POST webhook

Overview

What is MCP n8n API Server?

An MCP (Model Context Protocol) server that provides an interface to interact with n8n workflows. It allows listing workflows, triggering webhooks with custom data, and integrates with Claude Desktop and other MCP clients.

How to use MCP n8n API Server?

Install globally with npm install -g @ahmad.soliman/mcp-n8n-server or run directly with npx -y @ahmad.soliman/mcp-n8n-server. Configure a .env file with your n8n host URL, API key, and optionally a project ID. Then configure Claude Desktop or another MCP client using the provided JSON configuration.

Key features of MCP n8n API Server

List all n8n workflows
List webhooks from a specific workflow by ID
Call webhooks with GET requests
Call webhooks with POST requests and custom data
Works as a remote or local MCP server

Use cases of MCP n8n API Server

List all available n8n workflows via Claude
Trigger an n8n webhook with custom data from an LLM
Retrieve information about webhooks associated with a workflow

Frequently asked questions

What configuration is required to connect to n8n?

You must set `N8N_HOST_URL` (your n8n instance URL) and `N8N_API_KEY` in a `.env` file or environment variables.

Is a project ID required?

The `PROJECT_ID` is optional and only needed for cloud n8n instances.

How do I integrate this server with Claude Desktop?

Add the server configuration to `~/Library/Application Support/Claude/claude_desktop_config.json` using the `npx` command or a local path.

What MCP tools does the server expose?

It exposes `list-workflows`, `list-workflow-webhooks` (requires workflow ID), `call-webhook-get` (requires URL), and `call-webhook-post` (requires URL and data).

Can I use the server without installing anything?

Yes, you can run it directly using `npx -y @ahmad.soliman/mcp-n8n-server` without a permanent installation.

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