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MCP Harbor

by nomagicln

MCP Harbor is a Node.js application that provides a Model Context Protocol (MCP) server for interacting with Harbor container registry. It exposes tools for managing projects, repositories, tags, and Helm charts within Harbor.

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MCP Harbor

TypeScript

TypeScript

Node.js

Node.js

codecov

codecov

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

Table of Contents

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.