Backlog MCP Server

A Model Context Protocol (MCP) server for interacting with Backlog (backlog.com / backlog.jp). This server enables AI agents to manage Backlog projects, issues, versions, wiki pages, and more through a standardized interface.

Package: @duongkhuong/mcp-backlog

Overview

This MCP server provides a comprehensive suite of tools to interact with Backlog's API, enabling seamless integration with AI agents like Claude. Perform project management tasks, create and update issues, manage versions, organize wiki documentation, and handle attachments all through a unified interface.

Features

The server provides tools organized into the following categories:

Issues Management

• Create, read, update, and delete issues
• Search issues by various criteria
• Manage issue metadata (priority, status, assignees)
• Add and manage watchers

Comments & Discussions

• Add comments to issues
• Retrieve and manage issue comments
• Support for rich formatting

Projects

• List and retrieve project information
• Get project details and metadata
• Manage project settings

Versions & Releases

• Create and manage project versions
• Track version lifecycle
• List versions by project

Wiki Documentation

• Create and update wiki pages
• Organize documentation
• Retrieve wiki page content

Attachments

• Upload and manage file attachments
• Retrieve attachment details
• Download attachment URLs

Categories & Metadata

• List project categories
• Manage issue types
• Retrieve project metadata

Additional Tools

• Get user information
• Retrieve priorities and resolution statuses
• Access project configurations

Installation

Prerequisites

• Node.js 18+ or higher
• npm or yarn
• A Backlog account with API access

From npm

Install the package globally or locally:

npm install @duongkhuong/mcp-backlog

From Source

Clone the repository and install dependencies:

git clone https://github.com/vfa-khuongdv/mcp-backlog.git
cd mcp-backlog
npm install
npm run build

Configuration

Obtaining Credentials

1. Backlog API Key:

   • Log in to your Backlog account
   • Go to Personal Settings > API
   • Generate a new API key
   • Copy the API key

2. Backlog Host:

   • Your Backlog instance URL (e.g., your-space-id.backlog.com or your-space-id.backlog.jp)

Environment Variables

The server requires the following environment variables:

BACKLOG_HOST=your-space-id.backlog.com
BACKLOG_API_KEY=your_api_key_here

Usage

Claude Desktop

Add the following configuration to your claude_desktop_config.json file:

{
  "mcpServers": {
    "backlog": {
      "command": "npx",
      "args": ["-y", "@duongkhuong/mcp-backlog"],
      "env": {
        "BACKLOG_HOST": "your-space-id.backlog.com",
        "BACKLOG_API_KEY": "your_api_key_here"
      }
    }
  }
}

VS Code with Copilot

Add the following configuration to your .vscode/mcp.json file:

{
  "servers": {
    "backlog": {
      "command": "npx",
      "args": ["-y", "@duongkhuong/mcp-backlog"],
      "env": {
        "BACKLOG_HOST": "your-space-id.backlog.com",
        "BACKLOG_API_KEY": "your_api_key_here"
      }
    }
  }
}

Local Development

To run the server locally during development:

npm run build
npm start

Or in watch mode:

npm run build -- --watch

Available Tools

The server exposes the following tools (grouped by functionality):

Issues

• mcp_backlog_list_issues - List all issues in a project
• mcp_backlog_get_issue - Get a specific issue
• mcp_backlog_create_issue - Create a new issue
• mcp_backlog_update_issue - Update an existing issue
• mcp_backlog_delete_issue - Delete an issue
• mcp_backlog_search_issues - Search issues with filters

Comments

• mcp_backlog_add_comment - Add a comment to an issue
• mcp_backlog_get_comment - Get a specific comment
• mcp_backlog_list_issue_comments - List all comments on an issue
• mcp_backlog_update_comment - Update a comment
• mcp_backlog_delete_comment - Delete a comment

Projects

• mcp_backlog_list_projects - List all projects
• mcp_backlog_get_project - Get project details
• mcp_backlog_get_project_members - Get project members

Versions

• mcp_backlog_list_versions - List project versions
• mcp_backlog_create_version - Create a new version
• mcp_backlog_update_version - Update a version
• mcp_backlog_delete_version - Delete a version

Wiki

• mcp_backlog_list_wikis - List wiki pages
• mcp_backlog_get_wiki - Get a specific wiki page
• mcp_backlog_create_wiki - Create a new wiki page
• mcp_backlog_update_wiki - Update a wiki page
• mcp_backlog_delete_wiki - Delete a wiki page

Attachments

• mcp_backlog_list_attachments - List attachments for an issue
• mcp_backlog_get_attachment - Get attachment details
• mcp_backlog_add_attachment - Upload an attachment

Categories & Metadata

• mcp_backlog_list_categories - List project categories
• mcp_backlog_get_issue_types - Get issue types
• mcp_backlog_list_priorities - List priority levels
• mcp_backlog_list_resolutions - List resolution statuses
• mcp_backlog_get_myself - Get current user information

Project Structure

mcp-backlog/
├── src/
│   ├── index.ts              # Server entry point
│   ├── backlog-api.ts        # Backlog API wrapper
│   ├── config.ts             # Configuration validation
│   ├── constants/
│   │   └── regex.ts          # Regular expressions
│   └── tools/                # Tool implementations
│       ├── issues.ts         # Issue management tools
│       ├── comments.ts       # Comment management tools
│       ├── projects.ts       # Project tools
│       ├── versions.ts       # Version management tools
│       ├── wiki.ts           # Wiki page tools
│       ├── attachments.ts    # Attachment tools
│       ├── category.ts       # Category tools
│       └── metadata.ts       # Metadata tools
├── package.json
├── tsconfig.json
├── server.json               # MCP server definition
└── README.md

Development

Building

Compile TypeScript to JavaScript:

npm run build

Running

Start the server:

npm start

Testing

Run tests (when available):

npm test

API Documentation

For detailed API documentation, visit:

• Backlog API Documentation
• Backlog API Reference

Error Handling

The server provides comprehensive error handling with descriptive error messages. Common errors include:

• Invalid API Key: Verify your BACKLOG_API_KEY environment variable
• Invalid Host: Ensure BACKLOG_HOST is correct (e.g., your-space-id.backlog.com)
• Network Errors: Check your internet connection and firewall settings
• Rate Limiting: Backlog API has rate limits; implement appropriate delays

Contributing

Contributions are welcome! Please feel free to submit a Pull Request to the GitHub repository.

License

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

Support

For issues, questions, or suggestions, please open an issue on GitHub Issues.

Related Resources

• Model Context Protocol Documentation
• Backlog Official Website
• Claude Desktop Setup Guide
• VS Code Copilot Documentation