N8n MCP Server

A Python library for building, managing, and deploying n8n workflows with configuration-driven templates

Local serverstdioPython

What is the N8n MCP server?

Connect N8n to Claude, Cursor or any other MCP client and it stops being a tab you switch to. A Python library for building, managing, and deploying n8n workflows with configuration-driven templates. The n8n mcp server is what makes that connection.

What the server does

A Python library for building, managing, and deploying n8n workflows with a configuration-driven approach. This package provides the core tooling while allowing you to maintain your own private repository of workflows and templates.

  • Config-driven workflow management — using YAML configuration files
  • Template system — for parameterized workflows using Jinja2
  • Secure secrets management — with .env file integration
  • CLI interface — with build, pull, push, and compare commands
  • Workflow comparison — to track differences between local and remote workflows
  • n8n API integration — for seamless workflow deployment

Available tools

The toolset is worth reading before you wire it up, because it tells you what the integration is really for:

  • SecretsService — Manages environment variables and API keys
  • WorkflowBuilder — Builds workflows from configuration
  • N8nClient — Communicates with n8n REST API
  • WorkflowComparator — Compares workflow versions
  • Organization — The Organization tool exposed by this server
  • Security — The Security tool exposed by this server
  • Testing — The Testing tool exposed by this server
  • Linting — The Linting tool exposed by this server

Installation

Installation goes through your MCP client rather than a global install: point it at n8n-workflow-builder on PyPI and it is fetched when the client starts. The copy-paste blocks for Claude Desktop, Claude Code and Cursor are further down this page.

Credentials and setup notes

Configuration is passed through the environment: N8N_API_KEY. Treat anything key-shaped as a real credential — scope it to the minimum the server needs, and rotate it if it ever lands in a shared config.

Where it fits

This sits in the developer tooling group, where several servers overlap in what they claim to do but differ sharply once you actually set them up. N8n's toolset — SecretsService, WorkflowBuilder, N8nClient and 5 more — is a fair guide to whether it matches your workflow.

This entry was verified against N8n's own documentation before publication; SyncDev keeps the directory reviewed rather than auto-generated.

Worth knowing first

  • It runs with your machine's permissions. That is convenient and also the reason to think about what you point it at before you approve a tool call.
  • Missing credentials fail quietly in some clients — if no tools show up, check the environment block first.
  • Keep per-call confirmation enabled while you learn its behaviour; it is the cheapest safeguard you have.

Available tools

ToolWhat it does
SecretsServiceManages environment variables and API keys
WorkflowBuilderBuilds workflows from configuration
N8nClientCommunicates with n8n REST API
WorkflowComparatorCompares workflow versions
OrganizationThe Organization tool exposed by this server.
SecurityThe Security tool exposed by this server.
TestingThe Testing tool exposed by this server.
LintingThe Linting tool exposed by this server.

How to install the N8n MCP server

{
  "mcpServers": {
    "n8n-workflow-builder-1": {
      "command": "uvx",
      "args": ["n8n-workflow-builder"],
      "env": {
        "N8N_API_KEY": "your-value"
      }
    }
  }
}

Add to claude_desktop_config.json, then restart Claude Desktop.

Configuration

VariableDescriptionRequired
N8N_API_KEYCredential the server authenticates with.Yes

Example prompts to try

  • Use N8n to SecretsService.
  • Use N8n to WorkflowBuilder.
  • Use N8n to N8nClient.

Frequently asked questions

It connects N8n to MCP-compatible AI assistants such as Claude and Cursor, exposing 8 tools (SecretsService, WorkflowBuilder, N8nClient, and more) that the assistant can call on your behalf. Instead of copying data back and forth by hand, the assistant works with N8n directly.