mcp-n8n-workflow-builder

Overview

The n8n Workflow Builder MCP Server transforms workflow automation by enabling users to create, manage, and monitor n8n workflows through conversational AI. It eliminates the need for manual JSON editing or complex UI navigation, allowing users to build workflows simply by describing their needs in natural language. With 17 comprehensive tools covering workflow creation, execution monitoring, tag management, and credential handling, users can manage multiple n8n environments (dev, staging, prod) from a single MCP server with intelligent instance routing.

Try asking AI

After installing, here are 7 things you can ask your AI assistant:

• list_workflows

  List all workflows with filtering options

  Try:Show me active workflows in productionTry:List all workflows created last week
• get_workflow

  Retrieve complete workflow details by ID

  Try:Get workflow 123 from stagingTry:Show me the complete details of workflow 456
• create_workflow

  Build new workflows from scratch using natural language

  Try:Create a daily report workflowTry:Build a webhook workflow for customer signups
• update_workflow

  Modify existing workflows with changes

  Try:Add error handling to workflow 456Try:Update workflow 123 to add a new email step
• delete_workflow

  Remove workflows permanently

  Try:Delete workflow 789Try:Remove the old backup workflow
• activate_workflow

  Enable workflow execution

  Try:Activate workflow 123Try:Turn on the daily report workflow
• deactivate_workflow

  Disable workflow execution

  Try:Deactivate workflow 456Try:Pause the customer notification workflow
• execute_workflow

  Manually trigger workflow runs with test data

  Try:Execute workflow 789 with test dataTry:Run the monthly report workflow now
• list_executions

  View execution history with filters

  Try:Show failed executions from todayTry:List all executions of workflow 123
• get_execution

  Get detailed information about a specific execution

  Try:Get execution 9876 detailsTry:Show me the full execution log for run 456
• delete_execution

  Remove execution records

  Try:Delete old test executionsTry:Clean up execution records from last month
• retry_execution

  Retry failed workflow runs

  Try:Retry execution 9876Try:Run the failed workflow again

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Installation

# Install globally via npm
npm install -g @kernel.salacoste/n8n-workflow-builder

# Verify installation
npx @kernel.salacoste/n8n-workflow-builder --version

{
  "mcpServers": {
    "n8n-workflow-builder": {
      "command": "npx",
      "args": ["@kernel.salacoste/n8n-workflow-builder"]
    }
  }
}

FAQ

What n8n version is compatible with this MCP server?

Tested with n8n v1.82.3 and higher. It should work with most recent versions of n8n.

Can I manage multiple n8n environments simultaneously?

Yes, the server supports multi-instance management, allowing you to configure and manage dev, staging, and production environments from a single MCP server.

Is my API key secure with this MCP server?

Yes, the server is designed with security in mind, featuring built-in credential protection, API key encryption, and never exposes sensitive data in logs.

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