Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
Annotations already declare readOnlyHint=true and destructiveHint=false, covering the safety profile. The description adds the behavior that this retrieves a stored snapshot rather than computing a live clearance, but it does not disclose what happens when no snapshot exists or how the stored report was produced.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.