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  1. Home
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  3. HoShy
HoShy logo
Health: ActiveRecent health check succeeded.Last checked 9/22/2026, 7:46:53 PM

HoShy

User RatingsBe the first to rate and review this MCP server! Enrichment pendingWe haven’t run our AI enrichment pass on this listing yet, so the overview, use cases, and FAQ below may be sparse or missing. We work through the catalog over time — check back soon.
View RepositoryVisit Website

Search Rakuten Ichiba products and compare prices via Claude. Zero setup, no API key needed.

Quick Install

Automated & IDE Setup

Copy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.

Add to CursorAdd to VS Code
Manual Client & Custom JSON ConfigExpand JSON ▾

Client Config & Setup

Remote HTTP
Choose your client or environment
Target File:~/Library/Application Support/Claude/claude_desktop_config.json
claude_desktop_config.json
{
  "mcpServers": {
    "hoshy": {
      "url": "https://hoshy.negimaru1025.workers.dev/mcp"
    }
  }
}

💡 Paste the JSON block into your client's configuration file under mcpServers, then restart the application.

Install Directory Badge Claim listing Alternatives💰 More in Finance & Fintech

Documentation Overview

HoShy — Claude が楽天に強くなる MCP サーバー

設定不要・APIキー不要・無料。 URL を一つ追加するだけで、Claude から楽天市場のおすすめ商品検索・最安値比較・出張ホテル予約ができるようになります。

対応地域: 楽天市場は日本国内のサービスです。HoShy も日本在住・日本の楽天市場で買える商品が前提です。

MCP Registry MCP Cloudflare Workers License: MIT


HoShy を接続すると、こんな会話ができます

あなた: 「ワイヤレスイヤホン、5000円以内でレビュー4.5以上のやつ3つ教えて」 Claude: (実質価格・ポイント還元込みで候補を提示)

あなた: 「Anker PowerCore 10000 の最安値どこ?送料とポイント込みで」 Claude: (楽天市場内のショップを横断して実質最安を回答)

あなた: 「来週の火・水に大阪出張。梅田駅から徒歩10分以内、1泊6000円以下で空いてるビジネスホテル探して」 Claude: (Google Maps で実際の徒歩時間を測って条件に合う空室だけ提示)

Claude が文脈から適切なツールを自動で選ぶので、ツール名を覚える必要はありません。いつも通り日本語で話しかけるだけ。


接続方法(3ステップ以内)

サーバー URL はこれ一つだけ:

Code
https://hoshy.negimaru1025.workers.dev/mcp

お使いの Claude に合わせて、以下のいずれかの方法で追加してください。

claude.ai(Web 版)

→ claude.ai のコネクタ設定を開く

または手動で:

  1. 設定 → インテグレーション
  2. カスタム統合を追加
  3. URL に https://hoshy.negimaru1025.workers.dev/mcp を入力して保存

無料プランでもカスタムコネクタ 1 件が使えます。Pro/Max/Team プランではさらに多数追加可能です。

Claude Code(CLI)

ターミナルで以下を一行実行するだけです。

Terminal
claude mcp add --transport http hoshy https://hoshy.negimaru1025.workers.dev/mcp

Claude Desktop(Mac / Windows アプリ)— 手動設定

設定ファイルに以下を追記して、Claude Desktop を再起動してください。

config.json
{
  "mcpServers": {
    "hoshy": {
      "type": "http",
      "url": "https://hoshy.negimaru1025.workers.dev/mcp"
    }
  }
}

設定ファイルの場所:

  • macOS: ~/Library/Application Support/Claude/claude_desktop_config.json
  • Windows: %APPDATA%\Claude\claude_desktop_config.json

以上で接続完了です。API キーの取得・アカウント登録は一切ありません。


使える3つのツール

Claude が自動で選ぶので、名前を覚える必要はありません。参考までに:

おすすめ商品を探す

キーワードと予算から、楽天市場の中でレビュー評価が高く、ポイント還元込みの実質価格がお得な商品を上位 N 件返します。

話しかけ方の例:

  • 「コーヒーメーカー、1万円以内でレビュー高いやつおすすめ教えて」
  • 「キャンプ用のヘッドライト、3000円以内でコスパいいやつ3つ」
  • 「電動歯ブラシ、予算8000円、ブラウンかフィリップスで選んで」

価格比較(最安値を探す)

商品名や型番で、楽天市場内のショップを横断して最安値を比較します。**送料・ポイント還元込みの「実質価格」**で順位付けするので、表示価格のトリックに惑わされません。

話しかけ方の例:

  • 「Anker PowerCore 10000 の最安値どこ?」
  • 「Nintendo Switch 有機EL モデル、2万円以下で一番安いショップは?」
  • 「ダイソン V8 Slim、ポイント込みで実質最安教えて」

出張ビジネスホテルを探す

目的地・日程・予算・移動時間を指定すると、Google Maps で実際の移動時間を計測したうえで、徒歩または電車で指定分以内に着ける空室ホテルだけを返します。

「駅から徒歩10分」「1泊6000円以下」「今週の火水」みたいなリアルな条件に一発で答えます。

話しかけ方の例:

  • 「来週火・水で大阪出張、梅田駅から徒歩10分以内で1泊6000円以下のビジネスホテル」
  • 「11/15チェックイン・16チェックアウト、名古屋駅から電車20分圏内で空室ある?」
  • 「新宿駅徒歩15分、2名1室、12/3〜12/5で1泊1万円以内」

プライバシーとアフィリエイトについて

HoShy は無料で公開していますが、開発・運用には楽天・Cloudflare・Google Maps の利用料がかかっています。そのため、返ってくる商品リンクは楽天アフィリエイト経由になっています。

  • あなたの購入価格には一切影響しません(1円も変わりません)
  • リンクを踏んでそのまま購入・予約してもらえると、紹介料が開発者に入り、サーバー運用費になります
  • 「Claude の答えが便利だったな」と思ったら、そのままリンクから買っていただけると開発者がとても助かります

その他のプライバシー方針:

  • 設定・認証不要 — 接続するだけで即使えます
  • 読み取り専用 — 楽天 API を検索するだけ。書き込み・注文操作はしません
  • ユーザーデータを保存しません — クエリは楽天 / Google Maps に転送されるのみで、HoShy 側にログは残しません

詳細は PRIVACY.md をご覧ください。


困ったときは

  • 接続できない・結果がおかしい → Issues

ライセンス

MIT License

Read the full README →View source on GitHub →

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Reviews

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Frequently Asked Questions about HoShy

HoShy is a hosted MCP server. Add it as a remote server in your client's config: "mcpServers": { "hoshy": { "url": "https://hoshy.negimaru1025.workers.dev/mcp" } }

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Technical Specs & Signals

Category💰Finance & Fintech
More technical detailsExpand ▾
TransportSSE (Remote)
Last updatedMay 2, 2026
4/6 checks healthy over the last 45d
Views0
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Installs0
Installs & Copy ActionsTotal times users copied install commands or configuration snippets for this server.
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Last commit4mo ago
Last Repository CommitThe most recent commit or push recorded for this server's GitHub repository.Last commit on May 2, 2026
36Quality signal: Fair · 36/100How this signal is calculated ▾
Server availabilityNot measured

Not scored for repo-hosted servers — we can't reach the running server, only its GitHub page. Hosted MCP endpoints are health-checked live.

Verified ownership10/20
Documentation & tools16/30
Adoption & activity1/15
Community engagement0/10

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