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。

stdio v0.1.1

Connection Configuration

Add this to your AI agent's MCP config file to connect.

Run in your terminal:

claude mcp add io.github.izyuusya--japan-data-mcp -- uvx

Transport

stdio

Authentication

None

Version

v0.1.1

Server Name

io.github.Izyuusya/japan-data-mcp

Last Updated

Feb 26, 2026

How to install and connect this MCP server.

Environment variables you must provide when running this server.

Variable	Description	Required
`ESTAT_APP_ID` secret	e-Stat API Application ID (required). Free at https://www.e-stat.go.jp/api/api-info/api-guide	Yes
`CORP_APP_ID` secret	Corporate Number Web-API Application ID (optional). Apply at https://www.houjin-bangou.nta.go.jp/webapi/	Optional
`REALESTATE_API_KEY` secret	Real Estate Information Library API Key (optional). Apply at https://www.reinfolib.mlit.go.jp/api/request/	Optional