Question 1

What is the UBOS Asset Marketplace MCP Server?

Accepted Answer

The UBOS Asset Marketplace MCP Server provides access to n8n workflows, executions, credentials, and more through the Model Context Protocol (MCP), allowing Large Language Models (LLMs) to interact with n8n instances securely.

Question 2

How do I install the MCP Server?

Accepted Answer

You can install the MCP Server either from npm using the command `npm install -g @illuminaresolutions/n8n-mcp-server` or by cloning the repository from GitHub and building it from source.

Question 3

How do I configure the MCP Server with Claude Desktop?

Accepted Answer

Open your Claude Desktop configuration file (`~/Library/Application Support/Claude/claude_desktop_config.json`) and add the n8n configuration with the command to run the server and environment variables for your n8n instance.

Question 4

How do I configure the MCP Server with Cline (VS Code)?

Accepted Answer

Install the server, open VS Code, open the Cline extension, and configure the MCP Servers in the settings file with the command to run the server and environment variables for your n8n instance.

Question 5

What do I do if I get a 'Client not initialized' error?

Accepted Answer

Check that your `N8N_HOST` and `N8N_API_KEY` are set correctly, ensure your n8n instance is accessible, and verify your API key permissions.

Question 6

What do I do if I get a 'License required' error?

Accepted Answer

This error indicates that you are trying to use an Enterprise feature. Either upgrade to n8n Enterprise or use core features only.

Question 7

How can I troubleshoot connection issues?

Accepted Answer

Verify that your n8n instance is running, check the URL protocol (http/https), and remove any trailing slash from `N8N_HOST`.

Question 8

What security best practices should I follow?

Accepted Answer

Use minimal API key permissions necessary, rotate keys regularly, never commit keys to version control, use HTTPS for production, enable n8n authentication, and keep n8n updated.

Question 9

Where can I find support for the MCP Server?

Accepted Answer

You can find support through [GitHub Issues](https://github.com/illuminaresolutions/n8n-mcp-server/issues) and the [n8n Documentation](https://docs.n8n.io).

Question 10

What is MCP (Model Context Protocol)?

Accepted Answer

MCP is an open protocol that standardizes how applications provide context to LLMs, enabling secure and standardized interaction between AI models and external data sources.

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