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Backlog MCP Server

@nulab

Repository

Basic information

Category

Other

License

MIT

Transports

stdio

Author

nulab

About Backlog MCP Server

No overview available yet

Backlog MCP Server config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "backlog-mcp-server": {
      "command": "node",
      "args": [
        "build/index.js"
      ],
      "env": {
        "MCP_TRANSPORT": "http",
        "MCP_HTTP_PORT": "3333"
      }
    }
  }
}

Backlog MCP Server tools

Tool list not available yet

This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.

We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.

Overview

What is Backlog MCP Server?

A Model Context Protocol (MCP) server for interacting with the Backlog API. It provides tools for managing projects, issues, wiki pages, and more through AI agents such as Claude Desktop, Cline, and Cursor.

How to use Backlog MCP Server?

Configure your MCP client (e.g., Claude Desktop) by adding the server definition with either Docker or npx, setting the environment variables BACKLOG_DOMAIN (your Backlog domain) and BACKLOG_API_KEY. The server runs by default via stdio; you can also enable HTTP transport (streamable HTTP) using --transport http. Optionally, you can enable OAuth 2.0 authentication for per-user access by setting BACKLOG_OAUTH_CLIENT_ID, BACKLOG_OAUTH_CLIENT_SECRET, and MCP_SERVER_BASE_URL.

Key features of Backlog MCP Server

  • Project tools (create, read, update, delete)
  • Issue tracking and comments (create, update, delete, list)
  • Version/milestone management (create, read, update, delete)
  • Wiki page support
  • Git repository and pull request tools
  • Notification tools
  • GraphQL-style field selection for optimized responses
  • Token limiting for large responses

Use cases of Backlog MCP Server

  • Manage Backlog projects and issues through a conversational AI assistant
  • Track and comment on issues without leaving the chat interface
  • Update wiki pages or browse Git pull requests via natural language commands
  • Automate bulk operations like creating versions or listing notifications
  • Integrate Backlog into multi-tool agent workflows (e.g., combining with search or code tools)

Frequently asked questions

1

What transports does the server support?

It supports **stdio** (default) and **HTTP transport** (Streamable HTTP). To use HTTP, start with `--transport http` or set `MCP_TRANSPORT=http`.

2

How do I enable OAuth authentication?

Set `BACKLOG_OAUTH_CLIENT_ID`, `BACKLOG_OAUTH_CLIENT_SECRET`, and `MCP_SERVER_BASE_URL` (public server URL). The server then exposes OAuth endpoints for MCP clients to authenticate each user independently.

3

Can I enable only some toolsets?

Yes, use the `--enable-toolsets` flag or `ENABLE_TOOLSETS` environment variable with a comma-separated list of toolset names (e.g., `space,project,issue`). By default, all toolsets are enabled.

4

What environment variables are required?

`BACKLOG_DOMAIN` and `BACKLOG_API_KEY` are required for API‑key auth. For HTTP transport, you can set `MCP_TRANSPORT`, `MCP_HTTP_HOST`, `MCP_HTTP_PORT`, and related variables.

5

What are the limitations of OAuth mode?

OAuth mode currently supports only a single Backlog organization; multi‑organization configuration is not compatible. Client registrations and tokens are stored in memory and lost on server restart.

Comments

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