MCP Servers

rakuten-mcp

MCP server for Rakuten APIs. Search products, books, hotels, and rankings across Japan's largest e-commerce platform.

README

rakuten-mcp

MCP server for Rakuten Web Service APIs.

Search Japan's largest e-commerce marketplace, plus Rakuten Books and Rakuten Travel. Seven tools, three services, one install.

Install

npx rakuten-mcp

Or install globally:

npm install -g rakuten-mcp

Setup

Register at Rakuten Web Service (free)
Create an application to get an Application ID and Access Key

Claude Desktop

Add to your claude_desktop_config.json:

{
  "mcpServers": {
    "rakuten": {
      "command": "npx",
      "args": ["-y", "rakuten-mcp"],
      "env": {
        "RAKUTEN_APP_ID": "your-app-id",
        "RAKUTEN_ACCESS_KEY": "your-access-key"
      }
    }
  }
}

Claude Code

claude mcp add rakuten -- npx -y rakuten-mcp

Then set your environment variables:

export RAKUTEN_APP_ID="your-app-id"
export RAKUTEN_ACCESS_KEY="your-access-key"

Tools

Tool	Description
`search_products`	Full-text product search with price filters, sorting, and pagination
`get_genre_ranking`	Bestseller rankings (overall or by category)
`search_genres`	Browse product category hierarchy
`search_books`	Search Rakuten Books by title, author, ISBN
`search_travel`	Search hotels on Rakuten Travel by keyword
`search_travel_vacancy`	Search available hotel rooms with date/price/location filters
`get_product_reviews`	Read product reviews with rating and date sorting

Prompts

Prompt	Description
`search_products`	Search for products with optional price filters
`compare_products`	Compare products sorted by reviews or price
`category_bestsellers`	Get bestseller ranking for a category
`product_reviews`	Read and summarize reviews for a product
`find_hotel`	Find available hotels for specific dates
`budget_hotel`	Find hotels within a budget
`find_book`	Search for a book by title, author, or ISBN
`books_by_author`	Find all books by an author

Resources

Resource	URI	Description
Supported Genres	`rakuten://genres`	Top-level Rakuten Ichiba product categories

Example queries

Find wireless earphones under ¥10,000 with good reviews
楽天で1万円以下のワイヤレスイヤホンを探して

What are the top sellers on Rakuten right now?
楽天の今の売れ筋ランキングを見せて

Search for hotels in Kyoto on Rakuten Travel
楽天トラベルで京都のホテルを探して

Find available rooms near Tokyo Station for April 15-17 under ¥15,000
東京駅近くで4月15〜17日、1万5千円以下の空室を探して

Find books by Haruki Murakami on Rakuten Books
村上春樹の本を楽天ブックスで探して

License

MIT

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