n8n Workflow Builder

What it does

This MCP server enables AI agents to interact directly with n8n instances, allowing users to design, deploy, and manage complex automation workflows using natural language instead of manual JSON editing or UI navigation.

Tools

• list_workflows: Retrieve a list of all workflows with optional filtering.
• get_workflow: Fetch full details of a specific workflow.
• create_workflow: Build new workflows from scratch via description.
• update_workflow: Modify existing workflow nodes and logic.
• delete_workflow: Remove workflows from the instance.
• activate_workflow: Enable a workflow for execution.
• deactivate_workflow: Disable a workflow.
• execute_workflow: Manually trigger a workflow run with specific data.
• list_executions: View history of workflow runs and identify failures.
• retry_execution: Restart a failed workflow execution.
• create_tag: Organize workflows using custom tags.
• create_credential: Securely set up API credentials for n8n nodes.

Installation

Add the following to your claude_desktop_config.json:

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

Supported hosts

• Claude Desktop
• Cursor IDE