n8n Workflow Builder MCP Server

n8n workflow creation and execution managed directly via natural language commands.

Data last scanned yesterday · Reviewed 3 weeks ago

9 2 dangerous tools15 tools★ 539JavaScriptMIT

Overview

The n8n Workflow Builder MCP Server bridges the gap between your AI assistant and n8n automation instances. It provides a structured interface to interact with your workflows, allowing you to create, manage, and trigger automation tasks through conversational AI prompts. Built for developers and power users, this server leverages the Model Context Protocol to translate natural language requests into actionable n8n workflow operations. By integrating this into your MCP-compatible client, you can iterate on automation logic without leaving your chat interface.

Our verdict

This server carries a high risk level with a security score of 39/100, largely because it is community-maintained and has not undergone an editorial review or security audit. Users should exercise caution as authentication and read-only modes have not yet been evaluated for potential vulnerabilities. It is best suited for experimental environments where you can monitor the interactions between your AI agent and your n8n instance.

JavaScript-based architecture with only three direct dependencies.
Licensed under the permissive MIT open-source license.
Maintains an active repository with 539 GitHub stars.

Security score of 39/100 reflects unreviewed auth and safety mechanisms.
Not an official product or integration from the n8n team.
Last repository commit occurred over four months ago.

Setup

Claude Desktop

{
  "mcpServers": {
    "n8n-workflow-builder": {
      "args": [
        "-y",
        "@makafeli/n8n-workflow-builder"
      ],
      "command": "npx"
    }
  }
}

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows), then restart Claude Desktop. Some servers require API keys or tokens as environment variables — check the project's README and add an "env" object if needed.

No read-only mode — running this grants full read/write access.
No built-in authentication — anyone with access to this config can invoke every tool it exposes.

Tools

Tool	Description	Risk
list_workflows	List all workflows from your n8n instance	low
get_workflow	Retrieve detailed information about a specific workflow	low
create_workflow	Create a new workflow with nodes and connections	medium
execute_workflow	Manually execute a workflow	medium
update_workflow	Update an existing workflow's configuration	medium
activate_workflow	Activate a workflow to enable automatic execution	medium
deactivate_workflow	Deactivate a workflow to stop automatic execution	medium
delete_workflow	Permanently delete a workflow	high
create_workflow_and_activate	Create a new workflow and immediately activate it	medium
list_executions	List workflow executions with filtering and pagination	low