N8N-Orchestrator-Gateway

This artifact serves as a Model-Controller-Provider (MCP) server implementation specifically tailored for managing and triggering n8n-based workflow automation sequences. It exposes a uniform communication channel, adhering to the JSON-RPC specification, for remote control and status retrieval of these automated processes.

Core Capabilities

• Adherence to JSON-RPC 2.0 specification
• Comprehensive lifecycle management for workflows
• Configuration isolation via environment variables
• Native TypeScript integration
• Detailed operational logging facilities
• Containerization support via Docker

Prerequisites for Operation

• Runtime environment: Node.js version 14.0.0 or newer
• Operational n8n deployment accessible over the network
• Valid n8n access credential (API Key)

Deployment Procedure

1. Obtain the source code repository:

git clone https://github.com/S17S17/n8n-mcp-server.git
cd n8n-mcp-server

1. Install required software dependencies:

npm install

1. Configure operational parameters:

cp .env.example .env
# Modify parameters within the newly created .env file

Configuration Settings

All operational parameters are managed through environment variables. Refer to the .env.example file for a complete parameter listing.

Mandatory variables: - N8N_URL: The accessible endpoint URL for the n8n service API - N8N_API_KEY: The authentication token for API access - N8N_API_HEADER: The HTTP header field name used for transmitting the API key (default is "X-N8N-API-KEY")

Operational Instructions

Server Initialization

Multiple execution modes are supported for starting the service:

# Standard operational startup
npm start

# Development mode with live code refreshing
npm run start:dev

# Streamlined startup with minimal overhead
npm run start:simple

# Verbose mode for deep troubleshooting
npm run debug

Containerized Deployment

Building the image and executing via Docker:

docker build -t n8n-mcp-server .
docker run -p 3000:3000 --env-file .env n8n-mcp-server

Alternatively, using Docker Compose:

docker-compose up

Remote Procedure Interface (API)

The server adheres strictly to the JSON-RPC 2.0 specification, offering the following primary remote methods:

• initialize: Establishes and verifies the connectivity handshake.
• shutdown: Initiates a controlled, graceful termination of the server process.
• listTools: Returns an inventory of all manageable workflow routines.
• callTool: Triggers the execution of a designated workflow routine.

Consult the dedicated [API.md] document for comprehensive interface specifications.

Development Lifecycle

Compiling Source Code

npm run build

Executing Validation Suites

npm test

Code Style Verification

npm run lint

Collaborative Contributions

To contribute enhancements or fixes:

1. Create a fork of the repository.
2. Establish a new feature branch (e.g., git checkout -b enhancement/new-feature).
3. Commit your modifications (git commit -m 'Implement feature X enhancement').
4. Push the branch to the origin remote (git push origin enhancement/new-feature).
5. Submit a Pull Request for review.

Licensing Information

This software is distributed under the terms of the MIT License. Details are provided in the [LICENSE] file.

Assistance

Should you encounter issues or require support, please file an issue report within the official GitHub repository tracker.

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