mcp-n8n-builder

Overview

The mcp-n8n-builder server provides comprehensive tools for AI assistants to build, modify, and manage n8n workflows through the Model Context Protocol. It offers workflow management capabilities including creation, reading, updating, deletion, activation, and deactivation of workflows, along with execution management features. The server includes schema validation, node validation against n8n's available nodes, smart suggestions for similar node types, and detailed error handling to prevent common workflow creation errors.

Try asking AI

After installing, here are 3 things you can ask your AI assistant:

• list_available_nodes

  Lists all available nodes in the n8n instance.

  Try:Show me all available node typesTry:List the nodes I can use in my workflows
• list_workflows

  Lists all workflows from n8n with their basic information.

  Try:Show me all my workflowsTry:List active workflows only
• create_workflow

  Creates a new workflow in n8n with specified nodes and connections.

  Try:Create a new workflow for processing daily reportsTry:Build a workflow that sends email notifications
• get_workflow

  Retrieves complete details of a specific workflow by its ID.

  Try:Show me the details of workflow 123Try:Get the full configuration of my backup workflow
• update_workflow

  Updates an existing workflow with new configuration.

  Try:Update workflow 456 to include a new filter nodeTry:Modify my existing workflow to add error handling
• delete_workflow

  Permanently deletes a workflow by its ID.

  Try:Delete workflow 789 that I no longer needTry:Remove the outdated test workflow
• activate_workflow

  Activates a workflow by its ID, enabling it to run automatically.

  Try:Activate the daily report workflowTry:Start the automated backup workflow
• deactivate_workflow

  Deactivates a workflow by its ID, preventing it from running automatically.

  Try:Pause the weekly notification workflowTry:Deactivate the outdated workflow
• list_executions

  Lists workflow execution history with details on success/failure status.

  Try:Show me the execution history for workflow 123Try:List all failed executions for the email workflow
• get_execution

  Retrieves detailed information about a specific workflow execution.

  Try:Show me details of execution 456Try:Get the data processed in the last workflow run

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Installation

npx -y mcp-n8n-builder

{
  "mcpServers": {
    "n8n-workflow-builder": {
      "command": "npx",
      "args": ["-y", "mcp-n8n-builder"],
      "env": {
        "N8N_HOST": "http://localhost:5678/api/v1",
        "N8N_API_KEY": "your-n8n-api-key",
        "OUTPUT_VERBOSITY": "concise"
      }
    }
  }
}

Compare mcp-n8n-builder with