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io.github.atushi1841/japan-offmall-market-mcp

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Japan used goods from OffMall (Hard Off) via Apify + Gumroad

Source code Documentation

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

MCPB package https://github.com/atushi1841/japan-offmall-market-scraper/releases/download/v1.0.0/server.mcpb

Documentation

From the project's README on GitHub, refreshed weekly. Links open on GitHub.

Contents
  1. Japan OffMall Used Goods Market — Hard Off Official Scraper
  2. Why this is useful
  3. Input
  4. Output fields
  5. Output sample
  6. Pricing
  7. Data source notes
  8. MCP Server & Registry
  9. Smithery

Japan OffMall Used Goods Market — Hard Off Official Scraper

Scrape used goods prices from OffMall (オフモール), the official online store of Hard Off (ハードオフ) — Japan's largest reuse chain with 800+ participating stores nationwide.

One dataset covering Japan's biggest second-hand ecosystem: cameras, watches, musical instruments, luxury brands, smartphones, game consoles, audio gear, and more.

Why this is useful

  • 800+ stores in one place — OffMall aggregates listings from Hard Off stores across Japan (毎日更新)
  • One-item-only used goods — every listing is a unique physical item with a condition rank (S/A/B/C)
  • Total market scan — search by keyword or scan entire categories (13 categories)
  • Cross-shop arbitrage — compare OffMall prices against Kitamura/Fujiya/Jackroad via the Japan Market family of actors

Input

FieldTypeDefaultDescription
searchKeywordstringiPhoneKeyword to search (e.g. iPhone, ロレックス, ニンテンドー)
categoryselect``Category to scan when keyword is empty (カメラ/時計/楽器/ブランド品 等13種)
maxItemsinteger100Max items to collect
maxPagesinteger2Max pages per source (30 items/page)

Output fields

FieldDescription
productIdProduct ID
titleProduct title
brandBrand (e.g. APPLE, Canon, Rolex)
modelCodeModel code (e.g. MWLX2J/A)
pricePrice in JPY
rankCondition rank (S/A/B/C)
imageUrlProduct image URL
productUrlProduct page URL
shopOffMall
sourceoffmall
categoryCategory label
scrapedAtScrape timestamp

Output sample

{
  "productId": "6426181",
  "title": "iPhone 11",
  "brand": "APPLE",
  "modelCode": "MWLX2J/A",
  "price": 27500,
  "rank": "B",
  "imageUrl": "https://p1-d9ebd2ee.imageflux.jp/c!/w=231,h=182,a=0,u=0,q=75/201328/2026_08_10_18_26_49.jpg",
  "productUrl": "https://netmall.hardoff.co.jp/product/6426181/",
  "shop": "OffMall",
  "source": "offmall",
  "category": "検索:iPhone",
  "scrapedAt": "2026-08-10T10:10:00Z"
}

Pricing

Pay per event — $0.00005/run + $0.002/item.

Data source notes

  • OffMall (netmall.hardoff.co.jp): official Hard Off online store, 800+ participating stores
  • Server-side rendered search pages, robots.txt allows crawling (only /api/, /users/, /statics/ etc. disallowed)
  • Only factual product information (name, price, brand, condition rank) is collected

MCP Server & Registry

This scraper is also available as an MCP server for AI agents:

Install via MCP: add to your MCP config:

{"mcpServers": {"japan-offmall-market-mcp": {"command": "python3", "args": ["src/stdio_main.py"]}}}

Smithery

Install via Smithery:

npx @smithery/cli install japan-offmall-market-mcp --client claude

Frequently asked questions

What is io.github.atushi1841/japan-offmall-market-mcp?

Japan used goods from OffMall (Hard Off) via Apify + Gumroad

How do I install io.github.atushi1841/japan-offmall-market-mcp?

Follow the installation steps in its documentation, shown on this page and in its repository.

Does io.github.atushi1841/japan-offmall-market-mcp need an API key?

Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.

Is io.github.atushi1841/japan-offmall-market-mcp open source?

Its code is public on GitHub, but the repository does not declare a standard license.

Who maintains io.github.atushi1841/japan-offmall-market-mcp?

It is published by atushi1841. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.