MCP Harbor

MCP Harbor is a Node.js application that provides a Model Context Protocol (MCP) server for interacting with Harbor container registry.

Table of Contents

• MCP Harbor
  • Table of Contents
  • Features
  • Prerequisites
  • Installation
  • Usage
    • Command Line Arguments
    • Environment Variables
  • MCP Tools
  • Development
    • Running in Development Mode
    • Running Tests
  • Project Structure
  • Troubleshooting
    • Common Issues
    • Debug Mode
    • Support
  • License

Features

• MCP Server: Exposes tools for interacting with Harbor through the Model Context Protocol
• Harbor Operations: Supports operations for projects, repositories, tags, and Helm charts
• TypeScript: Written in TypeScript for better type safety and developer experience
• Automated Tests: Comprehensive test suite for reliable functionality

Prerequisites

Before installing MCP Harbor, ensure you have:

• Node.js 18.x or higher
• npm 8.x or higher
• Access to a Harbor registry instance
• Git (for cloning the repository)

Installation

1. Clone the repository:

   git clone https://github.com/nomagicln/mcp-harbor.git

2. Navigate to the project directory:

   cd mcp-harbor

3. Install dependencies:

   npm install

4. Build the project:

   npm run build

Usage

Command Line Arguments

The application accepts the following command line arguments:

Options:
  --url       Harbor API URL                     [string] [required]
  --username  Harbor username                    [string] [required]
  --password  Harbor password                    [string] [required]
  --debug     Enable debug mode          [boolean] [default: false]
  --help      Show help                                  [boolean]

Environment Variables

Instead of command line arguments, you can also use environment variables. Create a .env file in the root directory:

# Harbor API Configuration
HARBOR_URL=https://harbor.example.com
HARBOR_USERNAME=admin
HARBOR_PASSWORD=Harbor12345

# Debug Mode (true/false)
DEBUG=false

MCP Tools

The MCP server exposes the following tools:

Tool Name	Description	Parameters
list_projects	List all projects in Harbor	None
get_project	Get project details by ID	projectId: string
create_project	Create a new project	project_name: string, metadata?: object
delete_project	Delete a project	projectId: string
list_repositories	List repositories in a project	projectId: string
delete_repository	Delete a repository	projectId: string, repositoryName: string
list_tags	List tags in a repository	projectId: string, repositoryName: string
delete_tag	Delete a tag	projectId: string, repositoryName: string, tag: string
list_charts	List Helm charts	projectId: string
list_chart_versions	List chart versions	projectId: string, chartName: string
delete_chart	Delete chart version	projectId: string, chartName: string, version: string

Development

Running in Development Mode

npm run dev

Running Tests

# Run all tests
npm test

# Run tests with coverage
npm run test:coverage

Project Structure

mcp-harbor
├── src
│   ├── app.ts                 # Main application entry point (MCP server)
│   ├── definitions
│   │   └── tool.definitions.ts # Tool definitions for MCP
│   ├── services
│   │   └── harbor.service.ts  # Harbor service implementation
│   └── types
│       └── index.ts           # TypeScript type definitions
├── test
│   └── harbor.test.ts         # Tests for Harbor service
├── .env.example              # Example environment variables
├── .gitignore               # Git ignore file
├── .eslintrc.json           # ESLint configuration
├── package.json            # Project dependencies
├── jest.config.js           # Jest configuration
├── tsconfig.test.json      # TypeScript configuration for tests
├── tsconfig.json          # TypeScript configuration
├── LICENSE                # Project license
└── README.md             # Project documentation

Troubleshooting

Common Issues

1. Connection Failed

   Error: Unable to connect to Harbor instance
   

   • Verify HARBOR_URL is correct and accessible
   • Check network connectivity
   • Ensure Harbor instance is running

2. Authentication Failed

   Error: Invalid credentials
   

   • Verify HARBOR_USERNAME and HARBOR_PASSWORD are correct
   • Check if user has required permissions

3. Build Errors

   Error: TypeScript compilation failed
   

   • Run npm install to ensure all dependencies are installed
   • Check TypeScript version compatibility
   • Clear the dist directory and rebuild

Debug Mode

Enable debug mode by using the --debug flag or setting:

DEBUG=true

Support

For additional help:

1. Review the application logs

License

This project is licensed under the MIT License - see the LICENSE file for details.