Japan Corporate Number (NTA) for Claude Code

io.github.mk-career-planning/jp-corporate-number

What does Japan's tax agency publish for this corporate number? NTA Web-API relay with sources.

client:Claude Code transport:streamable-http tools:4

Install Japan Corporate Number (NTA) in Claude Code

run in your project directory

claude mcp add --transport http jp-corporate-number https://jp-corporate-number-production.mk-career-planning.workers.dev/mcp

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs