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n8n Workflow Builder

Integrates with n8n workflow automation platform to enable natural language workflow creation, manag...

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37 installs
Updated Nov 21, 2025
Not audited
Integrates with n8n workflow automation platform to enable natural language workflow creation, management, and deployment with encrypted credential handling, role-based access control, and automated testing capabilities.
  1. Open your n8n instance in a browser

    • Navigate to your n8n installation (e.g., http://localhost:5678 or your deployment URL).
  2. Log in to your n8n account

    • Enter your credentials to access the n8n dashboard.
  3. Go to Settings → API Keys

    • On the left sidebar, click on “Settings.”
    • Select the “API Keys” section.
  4. Create an API Key

    • Click the “Create API Key” button.
    • Optionally, give the key a name/label for reference.
  5. Copy the generated API key

    • Copy the key that is presented. Note: It will only be visible at creation—store it securely.
  6. Fill in the ENV values in the FastMCP connection interface

    • For N8N_API_URL, provide your n8n instance’s URL (e.g., http://localhost:5678).
    • For N8N_API_KEY, paste the API key you just created.
  7. (Optional) If you know your n8n version and want to specify it, add it as N8N_VERSION.

  8. Use the “Install Now” button

    • Click the “Install Now” button to apply your settings.

You have now provided the required ENV values for FastMCP to connect to your n8n workflow builder!

How to Install n8n Workflow Builder

Install n8n Workflow Builder MCP server with one click through FastMCP. Choose your preferred AI development tool below:

Claude Desktop

Click "Claude Desktop" in Quick Start

Cursor IDE

Click "Cursor IDE" in Quick Start

VS Code

Click "VS Code" in Quick Start

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