MCP server · Research

Rakuten MCP server

Lets your AI search Rakuten for products, books, hotels, recipes, eBooks, and golf plans in Japan.

This is a helper that connects your AI assistant to Rakuten, the big Japanese shopping and travel site. Once it is set up, you can just ask your AI in plain words and it will look things up on Rakuten for you. It is handy if you shop, book trips, or cook, and you want answers without clicking through pages yourself.

What is an MCP server? The 30-second version

On its own, your AI can only chat with you using what it already knows. An MCP server is a small helper program that gives your AI a new skill or a connection to an app or service. This one connects your AI to Rakuten, so it can look up products, books, hotels, recipes, eBooks, and golf courses for you. You stay in the chat; the helper does the fetching behind the scenes.

What this MCP server does

You ask your AI a question, like finding cheap wireless earphones or a hotel near Tokyo Station. Your AI sends that request to this helper program. The helper talks to Rakuten's public service and pulls back the matching results. Then your AI reads those results and writes them up for you in the chat. Everything is read-only, so it only looks things up; it never buys, books, or changes anything.

Flow diagram: you ask your AI “Find wireless earphones under 10,000 yen”, the Rakuten MCP server connects it to Rakuten, and you get back A short list in your chat.

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What you can do with it

Search Rakuten Ichiba for products by keyword, price, and genre
See bestseller rankings overall or by genre, age, or gender
Compare the same product across sellers with min, max, and average prices
Find printed books, CDs, DVDs, magazines, games, and software
Look up hotels with rooms free on your dates, with nightly and total prices
Browse Rakuten Recipe categories and top recipes with ingredients and prep time
Search Kobo eBooks and golf course plans by area or date

Try asking your AI

“Find wireless earphones under 10,000 yen on Rakuten with at least 4 stars”
“Show me Haruki Murakami eBooks on Rakuten Kobo, newest first”
“Hotels near Tokyo Station, July 1 to 2, two people, under 15,000 yen per night”
“Popular chicken breast recipes on Rakuten Recipe with ingredients and cooking time”

What it gives back to you

You get back a written answer in the chat, usually a short list with names, prices, ratings, and links. For hotels you also see room plans with per-night and total prices. For recipes you get titles, ingredients, prep time, and a cost estimate. It is all text in the conversation, not a separate app or file.

Before you start

What you need

A Rakuten Web Service account (free to register)
An Application ID from that account
An Access Key from that account (a kind of password that starts with pk_)
Node.js installed on your computer if you run it yourself

Good to know

It can only read from Rakuten, never buy or change anything, but prices and availability can change, so double-check on Rakuten before you act.

Install it with your AI

Add Rakuten MCP server to your AI, no technical skills needed

You don't install anything by hand. You copy one prompt, paste it into an AI that can work on your computer, and it checks, installs and connects the server for you, asking you when it needs something.

Sign in to get the install prompt

Members get a ready-made prompt that lets the Claude desktop app check Rakuten MCP server, install it and connect it for them, step by step. You don't need any technical skills: you copy, paste and answer a few questions. Your connected AI can also find and install any of the 4,066 MCP servers here for you.