Ask Japan

Dữ liệu doanh nghiệp công khai của Nhật Bản dành cho các tác nhân AI: tìm kiếm 5.8M công ty đã đăng ký, tra cứu hồ sơ công ty theo mã số pháp nhân, kiểm tra đơn vị phát hành hóa đơn đủ điều kiện, tra cứu các đơn vị nộp hồ sơ EDINET theo ngành, tra cứu mã bưu chính và địa chỉ. Ngoài ra còn có MARU Japan Hands: người thật ở Nhật Bản thực hiện cuộc gọi điện thoại bằng tiếng Nhật, đặt chỗ nhà hàng và sân golf, phiên dịch và mua hàng tại cửa hàng. Endpoint HTTP Streamable từ xa, không cần API key: https://askjapan.senpinai.com/mcp

GitHub

Máy chủ MCP được lưu trữ

npx add-mcp 'https://askjapan.senpinai.com/mcp'

Cài vào Claude Code, Codex, Cursor và nhiều công cụ khác

Tài liệu

Ask Japan — MCP server for Japan

Japanese company, invoice and postcode data, plus real people in Japan who make phone calls, reservations and errands for your AI agent.

MCP endpoint (Streamable HTTP, no API key): https://askjapan.senpinai.com/mcp
Website: https://askjapan.senpinai.com/
Official MCP Registry: com.senpinai/ask-japan
Operator: iHouse Co., Ltd. (iHouse株式会社), Osaka, Japan — corporate number 3120001180173
Privacy policy: https://askjapan.senpinai.com/privacy

This repository holds documentation only. The server is hosted; there is nothing to install.

Connect

Claude (claude.ai / Claude Desktop): Settings → Connectors → Add custom connector → paste https://askjapan.senpinai.com/mcp.

ChatGPT (developer mode), Cursor, Cline, VS Code, any MCP client:

{
  "mcpServers": {
    "ask-japan": {
      "type": "streamable-http",
      "url": "https://askjapan.senpinai.com/mcp"
    }
  }
}

Clients that only speak stdio can use npx mcp-remote https://askjapan.senpinai.com/mcp.

Tools

Japanese public data (free, read-only)

Tool	What it does
`search_company`	Search all ~5.8 million corporations registered in Japan by name (partial match, Japanese).
`get_company_profile`	Profile from a 13-digit corporate number: registered name, address, status, invoice registration.
`check_invoice`	Check whether a company is a registered Qualified Invoice Issuer (T-number).
`search_listed_companies`	Filter companies that file securities reports (EDINET) by industry.
`lookup_postcode`	Address for a 7-digit Japanese postcode, including large-office postcodes.
`search_address`	Find postcodes from part of an address or an office name.

Sources: National Tax Agency corporate number and invoice publication data, Japan Post postcode data, FSA EDINET code list. Synced daily.

People in Japan (MARU Japan Hands, paid)

Tool	What it does
`list_services`	Services and prices: Japanese phone calls (¥1,500), restaurant and golf reservations (¥3,000), interpreting, in-store purchase and shipping, on-site photo checks, queue and pickup.
`check_availability`	Whether a new request can be taken now (JST 9:00–21:00).
`request_service`	Send a task. Fixed-price tasks are quoted immediately; others get a fixed quote within 2 hours.
`get_request_status`	Status, quote, payment and result (confirmation numbers, photos, receipts).
`quote_purchase`	Instant cost estimate to buy an item in Japan and ship it.
`get_menu`, `check_open`, `place_takeout_order`	Takeout from participating restaurants.

Payment: JPYC, USDC or USDT (Kaia or Polygon); credit card coming soon. Full refund if the task cannot be done or is cancelled before work starts. Terms and seller details: https://hands.senpinai.com/legal

Example prompts

"Is 株式会社〇〇 a registered invoice issuer? Give me its corporate number and address."
"Find the postcode for 大阪市北区梅田."
"Call this restaurant in Osaka and book a table for 4 on Friday at 19:00."
"How much would it cost to buy this item in Japan and ship it to Taiwan?"

Contact

info@senpinai.com · https://hands.senpinai.com/contact