japan-realestate-mcp

Query real estate transaction prices across Japan from the Ministry of Land, Infrastructure, Transport and Tourism (国土交通省 MLIT).

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What it can do

  • Ping: Connection test tool for japan-realestate-mcp. Returns pong with server version info.
  • Search Transactions: Search real estate transaction records in Japan by area and property type. Returns individual transaction cases with price, area, and location details. Data source: MLIT Real Esta
  • Get Price Summary: Returns statistical price summary (average, median, min, max, price per sqm) for real estate transactions in a specified area. Covers the most recent 4 quarters of MLIT transaction

What data it sees

Do you need an account

No: the server works without sign-in

Query real estate transaction prices across Japan from the Ministry of Land, Infrastructure, Transport and Tourism (国土交通省 MLIT). Search by area and property type, get price summaries with median and average prices.

How to connect

How to connect japan-realestate-mcp to Claude

The server address to paste into Claude settings:

https://japan-realestate-mcp--kakar-satoshi.run.tools

  1. Open Claude (claude.ai or the desktop app).
  2. Go to Settings → Connectors.
  3. Click Add custom connector.
  4. Paste the server address copied below into Remote MCP server URL and click Add.
  5. In a chat, click + → Connectors and switch the new connector on.

Custom connectors are available on Free, Pro, Max, Team and Enterprise plans (Free is limited to one). On Team and Enterprise an organization Owner adds the connector first under Organization settings → Connectors.

Authorization

After you click Add, a sign-in window for the service opens. Sign in with your own account and approve access. Claude never sees your password.

How to connect japan-realestate-mcp to ChatGPT

The server address to paste into ChatGPT settings:

https://japan-realestate-mcp--kakar-satoshi.run.tools

  1. Open ChatGPT in a browser (chatgpt.com). A Plus, Pro, Business, Enterprise or Edu plan is required.
  2. Turn on developer mode once: Settings → Apps → Advanced settings → Developer mode.
  3. Open Settings → Connectors and click Create.
  4. Fill in the form: Name (anything), Description (one line about what the service does), MCP server URL (copy it below).
  5. Under Authentication choose OAuth if the service requires sign-in, otherwise None. Click Create.
  6. In a new chat open + → Apps/Connectors and enable the connector.

OpenAI has renamed this section before (Connectors → Apps/Plugins). If the label differs, search settings for "developer mode". On Business/Enterprise workspaces an admin must allow custom connectors first.

Authorization

On first use ChatGPT opens the service's sign-in window. Sign in and approve access.

How to connect japan-realestate-mcp to Cursor

The server address to paste into Cursor settings:

https://japan-realestate-mcp--kakar-satoshi.run.tools

Fastest: click Open in Cursor below and confirm the prompt.

Manually:

  1. In Cursor open Settings → Cursor Settings → MCP and click Add new global MCP server.
  2. Paste the JSON copied below into ~/.cursor/mcp.json (per project: .cursor/mcp.json in the repo root).
  3. Save the file. The server appears in the MCP list; authorize it there if asked.

Authorization

If the service needs sign-in, an authorize button appears next to the server in the MCP list.

Server tool list (4)

Raw names from tools/list. Only developers need these.

pingConnection test tool for japan-realestate-mcp. Returns pong with server version info.
search_transactionsSearch real estate transaction records in Japan by area and property type. Returns individual transaction cases with price, area, and location details. Data source: MLIT Real Estate Information Library API (XIT001). Example: prefecture='東京都', city='渋谷区', type='マンション'
get_price_summaryReturns statistical price summary (average, median, min, max, price per sqm) for real estate transactions in a specified area. Covers the most recent 4 quarters of MLIT transaction data. Example: prefecture='東京都', city='港区', type='マンション'
get_supported_areasReturns the list of supported prefectures and major cities for Japan real estate search. If prefecture is specified (e.g. '東京都'), returns the list of supported cities in that prefecture. If omitted, returns all 47 prefectures.