Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations provided, the description carries the full burden of behavioral disclosure. 'Get' implies a read-only operation, but the description says nothing about error behavior when nothing is selected, return format, or side-effect guarantees beyond the verb. The output schema may cover return structure, but this is not disclosed in the description.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.