MCP n8n API Server
@ahmadsoliman
About MCP n8n API Server
MCP server for n8n API integration - Connect Claude AI to n8n workflows
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"
]
}
}
}Tools
4Get 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
FAQ from MCP n8n API Server
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.
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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