I wish I hadn't bothered reading this; it's an LLM-written love letter to Claude Code, and doesn't contain the details you'd expect from an exploit article.

This would seem to herald a wave of gatekeeping: areas of specialized knowledge locked behind enhanced subscriptions and org affiliation. Ask for technical details on an oil burner? I’m sorry, Dave, I can’t do that, you do not have an HVAC license.

Thanks for posting, I enjoyed this!

TL;DR: balance stored on mifare classic. You just edit the balance. Does this even count as hacking?