io.github.Izyuusya/japan-data-mcp

io.github.Izyuusya/japan-data-mcp

日本の公的データ（統計・法人・不動産）にAIからアクセスするMCPサーバー。e-Stat統計API・法人番号Web-API・不動産情報ライブラリAPIの3API統合。全国約1,700市区町村対応。

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Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "japan-data-mcp": {
      "command": "uvx",
      "args": [
        "japan-data-mcp"
      ],
      "env": {
        "ESTAT_APP_ID": "<your ESTAT_APP_ID>",
        "CORP_APP_ID": "<your CORP_APP_ID>",
        "REALESTATE_API_KEY": "<your REALESTATE_API_KEY>"
      }
    }
  }
}
Environment variables
  • ESTAT_APP_IDrequiredsecrete-Stat API Application ID (required). Free at https://www.e-stat.go.jp/api/api-info/api-guide
  • CORP_APP_IDsecretCorporate Number Web-API Application ID (optional). Apply at https://www.houjin-bangou.nta.go.jp/webapi/
  • REALESTATE_API_KEYsecretReal Estate Information Library API Key (optional). Apply at https://www.reinfolib.mlit.go.jp/api/request/

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Developer Tools
Version
0.1.1
Registry
active
Published
2/26/2026

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