n8n (npx) MCP Server
CommunityContributed by czlonkowski
Community n8n MCP server by czlonkowski. Gives AI assistants comprehensive n8n node documentation, search, and validation out of the box, plus optional workflow management tools (create, update, execute, validate workflows) when you connect your n8n instance's API. Works in documentation-only mode without any credentials.
About the n8n (npx) MCP Server
The n8n (npx) MCP server is a local (stdio) Model Context Protocol server available in the McpMux registry. Community n8n MCP server by czlonkowski. Gives AI assistants comprehensive n8n node documentation, search, and validation out of the box, plus optional workflow management tools (create, update, execute, validate workflows) when you connect your n8n instance's API. Works in documentation-only mode without any credentials. This is a community-contributed MCP server by czlonkowski.
Install the n8n (npx) MCP server with one click using McpMux. It works with Cursor, Claude Desktop, Claude Code, VS Code, ChatGPT, Windsurf, JetBrains, and any MCP-compatible AI client. This server requires authentication — McpMux securely stores your credentials with AES-256-GCM encryption.
Transport Configuration
{
"type": "stdio",
"command": "npx",
"args": [
"-y",
"n8n-mcp"
],
"env": {
"MCP_MODE": "stdio",
"LOG_LEVEL": "error",
"DISABLE_CONSOLE_OUTPUT": "true",
"N8N_API_URL": "${input:N8N_API_URL}",
"N8N_API_KEY": "${input:N8N_API_KEY}"
},
"metadata": {
"inputs": [
{
"id": "N8N_API_URL",
"label": "n8n Instance URL",
"description": "Base URL of your n8n instance, used to enable the workflow management tools (create, update, execute, validate workflows). Optional: leave both this and the API key empty to run in documentation-only mode. Example: https://your-n8n-instance.com (for a local instance use http://localhost:5678).",
"type": "url",
"required": false,
"secret": false,
"placeholder": "https://your-n8n-instance.com"
},
{
"id": "N8N_API_KEY",
"label": "n8n API Key",
"description": "API key for your n8n instance, required alongside the instance URL to unlock the n8n management tools. Leave empty (together with the instance URL) for documentation-only mode.",
"type": "text",
"required": false,
"secret": true,
"placeholder": "n8n_api_xxxxxxxxxxxxxxxxxxxxxxxxxxxx",
"obtain": {
"url": "https://docs.n8n.io/api/authentication/",
"instructions": "1. Open your n8n instance\n2. Go to Settings > n8n API\n3. Click 'Create an API key'\n4. (Optional) Give it a label and set an expiration\n5. Copy the generated key and paste it here",
"button_label": "Create API Key"
}
}
]
}
}Categories
Tags
Supported AI Clients
The n8n (npx) MCP server works with all MCP-compatible AI clients through McpMux:
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Install n8n (npx) with McpMux
One-click install from the McpMux desktop app. Auto-configures for Cursor, Claude, VS Code, ChatGPT, Windsurf, JetBrains, and any MCP-compatible client.