Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations provided, the description carries the full transparency burden. It indicates a read-only list operation implicitly, but does not disclose any behavioral traits such as what statuses are included, whether the list is paginated, or any scope limitations. It adds no information beyond the tool name.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.