japan-data-mcp
local MCP serverInstallation
Terminal
claude mcp add io-github-izyuusya-japan-data-mcp -e ESTAT_APP_ID=... -e CORP_APP_ID=... -e REALESTATE_API_KEY=... -- uvx japan-data-mcp
Run in your project folder. Add --scope user to use it everywhere.
Claude Desktop, Cursor & other clients
Add to claude_desktop_config.json or .cursor/mcp.json.
{
"mcpServers": {
"io-github-izyuusya-japan-data-mcp": {
"command": "uvx",
"args": [
"japan-data-mcp"
],
"env": {
"ESTAT_APP_ID": "...",
"CORP_APP_ID": "...",
"REALESTATE_API_KEY": "..."
}
}
}
}Fill in the environment variables with your own credentials.
Summary
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。
Questions
japan-data-mcp is a local MCP server distributed as the pypi package japan-data-mcp.
Run: claude mcp add io-github-izyuusya-japan-data-mcp -e ESTAT_APP_ID=... -e CORP_APP_ID=... -e REALESTATE_API_KEY=... -- uvx japan-data-mcp
Run: codex mcp add io-github-izyuusya-japan-data-mcp --env ESTAT_APP_ID=... --env CORP_APP_ID=... --env REALESTATE_API_KEY=... -- uvx japan-data-mcp