Rakuten Travel MCP Server

A Model Context Protocol (MCP) server that provides an interface to the Rakuten Travel API for hotel searching and availability checking.

Local serverstdioTypeScript

What is the Rakuten Travel MCP MCP server?

A Model Context Protocol (MCP) server that provides an interface to the Rakuten Travel API for hotel searching and availability checking. The rakuten travel mcp mcp server wraps that behind the Model Context Protocol, so an assistant can use it rather than through you.

What it actually does

  • Hotel Search — Search for hotels by location, hotel number, or area code
  • Availability Search — Find vacant hotels with real-time availability
  • Area Code Resource — Access hierarchical Japanese location data
  • Type-Safe — Comprehensive TypeScript types with Zod validation
  • MCP Compliant — Works with any MCP-compatible client

Adding it to your client

Setup follows the usual MCP pattern — install or clone the server, register it in your client's configuration file, restart the client. The configuration blocks on this page cover the common clients.

Configuration

You will need one environment variable: APPLICATION_ID. Keep credentials in your client's env block or a secrets manager rather than in a file you might commit.

Caveats

  • It runs with your machine's permissions. That is convenient and also the reason to think about what you point it at before you approve a tool call.
  • MCP clients confirm each tool call by default. Leave that on until you have watched what the rakuten travel mcp mcp server does with a few real requests.

When to reach for it

Among the developer tooling options, the useful question is rarely "what can it do" but "what does it cost you to run" — permissions, credentials, and how much of your context its toolset consumes. It is maintained by hirochachacha; worth a glance at recent repository activity before you build anything load-bearing on it.

This entry was verified against Rakuten Travel MCP's own documentation before publication; SyncDev keeps the directory reviewed rather than auto-generated.

How to install the Rakuten Travel MCP MCP server

{
    "mcpServers": {
        "rakuten_travel_mcp": {
            "command": "deno",
            "args": [
                "run",
                "--allow-net=app.rakuten.co.jp",
                "--allow-env=APPLICATION_ID",
                "/path/to/rakuten_travel_mcp/serve.ts"
            ],
            "env": {
                "APPLICATION_ID": "<your_application_id>"
            }
        }
    }
}

Configuration as documented by the project. Restart the client after saving.

Configuration

VariableDescriptionRequired
APPLICATION_IDConfiguration value read at startup.Optional

Frequently asked questions

It connects Rakuten Travel MCP to MCP-compatible AI assistants such as Claude and Cursor. Instead of copying data back and forth by hand, the assistant works with Rakuten Travel MCP directly.