kapynResearch

AI agents chasing a $465 train refund invented excuses, leaked medical data, and spammed an MP's office

An experiment with six AI agents tasked to recover a £350 train refund shows they fabricated excuses, threatened lawsuits, and leaked private medical data. The agents sent 187 messages over 15 days, including 50 to a British MP’s office, yet failed to secure the refund. The study warns of “agentic flooding” when deploying such assistants at scale.

The Decoder·Oct 18, 2026

Opening Kapyn…