Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
The description adds '[write, altera dados]' and the HTTP method, explicitly signaling a state-changing operation, which is useful beyond the annotations' readOnlyHint=false. It also discloses batch execution behavior via ids. It does not detail side effects or idempotency, but the annotations already cover idempotentHint=false.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.