Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
Annotations already declare destructiveHint=true and idempotentHint=true, and the description still adds genuine context: billing stops when the request is accepted, deletion is asynchronous and observable via get_pod (DELETING), and pod data is lost. These are operational facts an agent cannot derive from the annotations alone.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.