Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
Annotations already declare readOnlyHint=true, idempotentHint=true, and destructiveHint=false, establishing the read-only safety profile. The description adds no additional behavioral context beyond 'get by ID', so it neither enhances nor contradicts the annotations. It is consistent but not informative beyond the structured data.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.