[!CAUTION] Official Backlog MCP server launched!

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https://nulab.com/ja/blog/backlog/released-backlog-mcp-server/

Backlog MCP Server

An MCP server implementation that integrates the Backlog API.

Tools

Project API

• backlog_get_projects
  • Execute projects get with pagination and filtering
• backlog_get_project
  • Execute project gets with project id or key

Issue API

• backlog_get_issues
  • Execute issues get with pagination and filtering
• backlog_get_issue
  • Execute issue gets with issue id or key
• backlog_add_issue
  • Execute issue add with issue data
• backlog_update_issue
  • Execute issue update with issue data
• backlog_delete_issue
  • Execute issue delete with issue id or key

Wiki API

• backlog_get_wikis
  • Execute wikis get with keyword
• backlog_get_wiki
  • Execute wiki gets with wiki id or key
• backlog_add_wiki
  • Execute wiki add with wiki data
• backlog_update_wiki
  • Execute wiki update with wiki data
• backlog_delete_wiki
  • Execute wiki delete with wiki id or key

Configuration

Getting an API Key

1. Sign up for a Backlog
2. Choose a plan (Free plan available here)
3. Generate your API key from the individual settings help

Environment Variables

This server requires the following environment variables:

• Required:
  • BACKLOG_API_KEY: Your Backlog API key
  • BACKLOG_SPACE_ID: Your Backlog space ID
• Optional:
  • BACKLOG_BASE_URL: Your Backlog base URL (default: https://{your-space-id}.backlog.com/api/v2)

Usage with Claude Desktop

Add this to your claude_desktop_config.json:

NPX

{
  "mcpServers": {
    "backlog": {
      "command": "npx",
      "args": [
        "-y",
        "backlog-mcp-server"
      ],
      "env": {
        "BACKLOG_API_KEY": "YOUR_API_KEY_HERE",
        "BACKLOG_SPACE_ID": "YOUR_SPACE_ID_HERE"
      }
    }
  }
}

Docker

{
  "mcpServers": {
    "backlog": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "-e",
        "BACKLOG_API_KEY=YOUR_API_KEY_HERE",
        "-e",
        "BACKLOG_SPACE_ID=YOUR_SPACE_ID_HERE",
        "mcp/backlog"
      ],
      "env": {
        "BACKLOG_API_KEY": "YOUR_API_KEY_HERE",
        "BACKLOG_SPACE_ID": "YOUR_SPACE_ID_HERE"
      }
    }
  }
}

Development

Installation

npm install

Build

npm run build

Debug

npm run debug

Running Tests

T.B.D

Docker Build

docker build -t mcp/backlog -f Dockerfile .

Extending the Server

To add new tools:

1. Define a new Zod schema in src/core/schema.ts
2. Add a new tool definition in src/tools/toolDefinitions.ts and include it in ALL_TOOLS
3. Create a new handler in src/tools/handlers.ts and register it in toolHandlers
4. Implement business logic in a service in the src/services/ directory

License

This MCP server is licensed under the MIT License. This means you are free to use, modify, and distribute the software, subject to the terms and conditions of the MIT License. For more details, please see the LICENSE file in the project repository.