UK shop: an after-hours chatbot invents an 80% discount on an £8,000 order
- Entry
- AGT-009
- When
- February 2026
- Type
- Near miss
- Evidence
- C Grade C
- Lost
- Nothing moved
- Who
- An unnamed UK small business
- The agent
- After-hours support chatbot, not meant to handle pricing
- Its authority
- Answered questions; it could also generate text that looked like discount codes
- How it was gamed
- Over about an hour, a customer used flattery and maths exercises to get it to invent discount codes, rising from 25% to 80%. The customer then placed an order of more than £8,000 and demanded the code be applied, threatening small-claims action.
- What was lost
- No money paid out; the owner cancelled and refunded the order.
- The design gap
- The bot could make up commercial terms it had no authority to give.
- Principles
- Evidence
- Grade C. The owner’s post on Reddit, picked up by Aardwolf Security; not independently verified.
Cite this entry: Monetal Labs, Gamed AI Agents Register v0.2, entry AGT-009. https://monetalabs.io/register/agt-009