rakuten-pantry-mcp

rakuten-pantry-mcp

An MCP server for Rakuten Ichiba that enhances product search with quantity parsing, unit price calculation, and shipping cost analysis, enabling cost-effective bulk purchasing decisions.

Category
Visit Server

README

rakuten-pantry-mcp

mrslbt/rakuten-mcp をベースにした楽天市場(Ichiba)向け MCP サーバーです。
upstream(npm の rakuten-mcp)にはない機能を追加しています。

追加機能(upstream にない)

フィールド / 機能 説明
quantity 商品名から総個数を解析(例: 24本入り×2ケース → 48)
unitPrice itemPrice ÷ quantity
postageLabel 送料無料 / 送料別 / 要確認
estimatedTotalPrice 送料無料時は itemPrice
shippingVerified 送料が API 上で確定しているか
compare_ichiba_value 単価比較+送料ウェブ確認のガイドプロンプト

改造の詳細は CHANGES.md。upstream へのパッチは patches/ を参照。

リポジトリ構成

rakuten-pantry-mcp/
├── src/
│   ├── index.ts              # エントリポイント
│   ├── server.ts             # MCP サーバー組み立て
│   ├── client.ts             # 楽天 API クライアント
│   ├── config.ts / errors.ts / i18n.ts / auth.ts
│   ├── tools/
│   │   ├── ichiba.ts         # ★ 改造の本体(5ツール)
│   │   ├── index.ts
│   │   ├── types.ts
│   │   └── meta.ts
│   ├── prompts/
│   │   ├── ichiba.ts         # ★ compare_ichiba_value
│   │   ├── schema.ts         # ★ プロンプト引数の型変換
│   │   └── index.ts
│   ├── transports/           # stdio / HTTP
│   └── resources/
├── test/                     # ichiba / prompts / http のテスト
├── patches/                  # upstream 向け差分
├── dist/                     # ビルド成果物(npm run build)
├── package.json
├── README.md
├── CHANGES.md
├── AGENTS.md
└── LICENSE

Ichiba ツール 5個のみ(Books / Travel / Recipe / Kobo / GORA は含みません)。

セットアップ

git clone https://github.com/yukin_co/rakuten-pantry-mcp.git
cd rakuten-pantry-mcp
npm install
npm run build

MCP クライアント設定

環境変数 RAKUTEN_APP_IDRAKUTEN_ACCESS_KEY が必要です(楽天デベロッパーで取得)。

ローカル clone を使う場合

args には clone 先の dist/index.js への絶対パス を指定します。

{
  "mcpServers": {
    "rakuten-pantry": {
      "command": "node",
      "args": ["/path/to/rakuten-pantry-mcp/dist/index.js"],
      "env": {
        "RAKUTEN_APP_ID": "your-app-id",
        "RAKUTEN_ACCESS_KEY": "your-access-key"
      }
    }
  }
}

npx で使う場合(npm 公開後)

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

npm の rakuten-mcpmrslbt/rakuten-mcp)は別パッケージです。上記の rakuten-pantry-mcp を指定してください。

ツール(5)

ツール 内容
ichiba_item_search キーワード検索(quantity / unitPrice / 送料フラグ付き)
ichiba_genre_search ジャンルツリー
ichiba_tag_search タグ参照
ichiba_item_ranking 売れ筋ランキング
ichiba_product_search 複数店舗横断の価格比較

プロンプト(1)

プロンプト 内容
compare_ichiba_value 単価比較と送料確認の手順をエージェントに渡す

開発

npm run typecheck
npm test
npm run build

ライセンス

MIT — 元: mrslbt/rakuten-mcp(MIT)

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