Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
Annotations already declare readOnlyHint=true, idempotentHint=true, and destructiveHint=false, covering the entire safety profile. The description adds nothing beyond that—no note on error behavior for unknown ids, no indication of what fields are returned, and no scoping/permission context.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.