The answer
Shirabe Japan Data Hub
Top verified match: it matches your intent, it is the official vendor server.
fresh · published 11d ago · verified 2026-07-11tested · static-verifiedsigned passport ✓score 47/100
Runners-up
- io.github.Izyuusya/japan-data-mcp35/100 · weaker match
- Gachi Data API — Japan Station & Accessibility Datanot yet verified37/100 · weaker match
- Japan Data MCP35/100 · weaker match