Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
Annotations already declare `readOnlyHint=true`, `destructiveHint=false`, and `idempotentHint=true`. The description adds valuable context: the ordering and the meaning of `is_active` for lapsed temporary bans, enhancing transparency without contradicting annotations.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.