Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
Annotations already declare readOnlyHint, openWorldHint, idempotentHint, and destructiveHint, so the safety profile is clear. The description adds the return fields (name, first-air date, etc.) and notes the data source. It does not disclose rate limits or pagination behavior, but the annotations carry most of the transparency burden, making this adequate.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.