n8n MCP Server

What is n8n MCP Server?

An MCP server that provides access to n8n workflows, executions, credentials, and more through the Model Context Protocol. It allows LLMs to interact with n8n instances securely and in a standardized way.

How to use n8n MCP Server?

Install the server via npm (npm install -g @illuminaresolutions/n8n-mcp-server) or from source. Set environment variables N8N_HOST (your n8n instance URL) and N8N_API_KEY (an API key from your n8n settings). Configure your MCP client—Claude Desktop or Cline (VS Code)—with the server command and these environment variables.

Key features of n8n MCP Server

• List and manage workflows
• View workflow details
• Execute workflows
• Manage credentials
• Handle tags and executions
• Generate security audits

Use cases of n8n MCP Server

• An LLM assistant listing all workflows in an n8n instance
• Triggering a workflow execution from a chat interface
• Managing credentials without manual UI access
• Generating security audits of n8n configurations

FAQ from n8n MCP Server

Why is my client not initialized?

Check that N8N_HOST and N8N_API_KEY are set correctly, the n8n instance is accessible, and the API key has the right permissions.

What features require an n8n Enterprise license?

Project management, variable management, and advanced user management require an n8n Enterprise license. Core features like workflow and credential management work without it.

How do I set up the server for Cline in VS Code?

Install the server, open the Cline extension, click "MCP Servers", then "Configure MCP Servers", and add the n8n server configuration with command and env settings.

What environment variables are needed?

N8N_HOST (your n8n instance URL without trailing slash) and N8N_API_KEY (an API key from your n8n instance settings).