Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
The description includes '[write, altera dados]' indicating it modifies data, which is useful. Annotations already indicate readOnlyHint=false and destructiveHint=false, but the description adds the write nature. It does not disclose potential side effects, irreversibility, or permission requirements beyond that.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.