Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations are provided, so the description carries the full burden of behavioral disclosure. It only says 'Get details of a calendar' and gives no information about read-only guarantees, not-found behavior, permissions, or response shape. The verb 'Get' weakly implies a read operation, but that is not sufficient for full transparency.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.