Question 1

What is the n8n MCP Server?

Accepted Answer

The n8n MCP Server is a Model Context Protocol (MCP) server that allows AI assistants to interact with n8n workflows through natural language. It provides tools and resources for managing n8n workflows and executions.

Question 2

What is MCP?

Accepted Answer

MCP, or Model Context Protocol, is an open protocol that standardizes how applications provide context to Large Language Models (LLMs). It enables AI models to access and interact with external data sources and tools.

Question 3

What can I do with the n8n MCP Server?

Accepted Answer

With the n8n MCP Server, you can:nn*   List, create, update, and delete workflows.n*   Activate and deactivate workflows.n*   Execute workflows and monitor their status.n*   Access workflow information and execution statistics.

Question 4

What are the prerequisites for installing the n8n MCP Server?

Accepted Answer

You need Node.js 18 or later and an n8n instance with API access enabled.

Question 5

How do I install the n8n MCP Server?

Accepted Answer

You can install it from npm, from source, or using Docker. Refer to the installation instructions in the documentation for detailed steps.

Question 6

How do I configure the n8n MCP Server?

Accepted Answer

You need to configure environment variables such as `N8N_API_URL`, `N8N_API_KEY`, `N8N_WEBHOOK_USERNAME`, and `N8N_WEBHOOK_PASSWORD` in a `.env` file.

Question 7

How do I generate an n8n API key?

Accepted Answer

Go to your n8n instance in a browser, navigate to Settings > API > API Keys, create a new API key with appropriate permissions, and copy the key to your `.env` file.

Question 8

How do I run the n8n MCP Server?

Accepted Answer

From the installation directory, run `n8n-mcp-server`.

Question 9

How do I integrate the n8n MCP Server with AI assistants?

Accepted Answer

Configure your AI assistant (e.g., VS Code with the Claude extension) to run the server by editing a JSON configuration file and providing the necessary environment variables.

Question 10

What tools are available in the n8n MCP Server?

Accepted Answer

The server provides tools for workflow management (`workflow_list`, `workflow_get`, `workflow_create`, etc.) and execution management (`execution_run`, `run_webhook`, `execution_get`, etc.).

Question 11

How do I execute workflows using webhooks?

Accepted Answer

Create a webhook-triggered workflow in n8n, set up Basic Authentication, and use the `run_webhook` tool to trigger the workflow, passing just the workflow name.

Question 12

What resources are available in the n8n MCP Server?

Accepted Answer

The server provides resources for listing workflows (`n8n://workflows/list`), getting workflow details (`n8n://workflow/{id}`), listing executions (`n8n://executions/{workflowId}`), and getting execution details (`n8n://execution/{id}`).

Question 13

How do I run the server in development mode?

Accepted Answer

Run `npm run dev`.

Question 14

How do I build the server?

Accepted Answer

Run `npm run build`.

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