Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
Beyond the 'destructiveHint' annotation, the description discloses triggering a Stripe refund, webhook flipping order status, reverting site ownership, and idempotency on already-refunded orders. These details significantly enhance understanding of side effects.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.