Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations are provided, so the description carries the behavioral burden. It adds useful scope context ('user's' and 'recent'), implying a read-only, date-recent retrieval. However, it does not disclose return format, ordering, pagination, authentication needs, or what exactly counts as 'recent'.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.