n8n-workflow-builder

Overview

The n8n Workflow Builder MCP Server bridges AI assistants with n8n automation, enabling full workflow management through natural language commands. It provides comprehensive CRUD operations for workflows, execution management, and tag organization. The server supports both self-hosted and cloud n8n instances, with secure API key authentication. Built with TypeScript and using the latest MCP SDK, it's designed for high performance and easy integration with popular AI clients like Claude Desktop.

Try asking AI

After installing, here are 5 things you can ask your AI assistant:

• list_workflows

  List all workflows from your n8n instance

  Try:Show me all my workflowsTry:List available workflows
• get_workflow

  Retrieve detailed information about a specific workflow

  Try:Get details for workflow 123Try:Show information about the sales workflow
• create_workflow

  Create a new workflow with nodes and connections

  Try:Create a new workflow that processes daily reportsTry:Build a workflow that sends email notifications
• execute_workflow

  Manually execute a workflow

  Try:Run the data backup workflow nowTry:Execute the customer onboarding workflow
• update_workflow

  Update an existing workflow's configuration

  Try:Change the name of workflow 123 to 'Updated Name'Try:Modify the schedule of the daily report workflow
• activate_workflow

  Activate a workflow to enable automatic execution

  Try:Enable the workflow for customer follow-upsTry:Start the scheduled backup workflow
• deactivate_workflow

  Deactivate a workflow to stop automatic execution

  Try:Pause the newsletter workflowTry:Stop the automated reporting workflow
• delete_workflow

  Permanently delete a workflow

  Try:Remove the old test workflowTry:Delete workflow 456 permanently
• create_workflow_and_activate

  Create a new workflow and immediately activate it

  Try:Create and start a new social media posting workflowTry:Build and enable the inventory monitoring workflow
• list_executions

  List workflow executions with filtering and pagination

  Try:Show recent workflow executionsTry:List failed executions from the last week
• get_execution

  Get detailed information about a specific execution

  Try:Show details for execution 789Try:Explain what happened in the failed email execution
• list_tags

  List all workflow tags with pagination

  Try:Show all workflow tagsTry:List my current workflow categories

Comparable tools

Installation

npx @makafeli/n8n-workflow-builder

git clone https://github.com/makafeli/n8n-workflow-builder.git
cd n8n-workflow-builder
npm install
npm run build
npm start

{
  "mcpServers": {
    "n8n-workflow-builder": {
      "command": "npx",
      "args": ["@makafeli/n8n-workflow-builder"],
      "env": {
        "N8N_HOST": "http://localhost:5678",
        "N8N_API_KEY": "your-api-key-here"
      }
    }
  }
}

FAQ

What n8n version is compatible with this MCP server?

The MCP server is compatible with n8n version 1.0 and above, as it uses n8n's official REST API which has been stable across recent versions.

Can I use this with cloud-hosted n8n instances like n8n.cloud?

Yes, simply set your N8N_HOST environment variable to your cloud instance URL, e.g., 'https://your-tenant.n8n.cloud' or 'https://api.n8n.cloud/api/v1'.

Compare n8n-workflow-builder with