Install Japan Real Estate Transaction Prices (MLIT) in Codex

What you need first

  • Codex, installed.
  • Nothing else: the server runs on its publisher's machines and Codex connects to it.

Steps

  1. Run this in a terminal. It writes the server into ~/.codex/config.toml, which the Codex CLI, its IDE extension and the ChatGPT desktop app share.
codex mcp add jp-real-estate --url https://jp-real-estate-production.mk-career-planning.workers.dev/mcp
  1. Start Codex again and type /mcp: the server is listed.

Check it worked

Ask Codex: List the tools of jp-real-estate.

If it does not start

401 Unauthorized
The endpoint wants a sign-in or a key. Sign in when Codex asks.

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