Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
Annotations already declare destructiveHint=true and idempotentHint=false, so the safety profile is covered. The description adds real value beyond that: permanence, irreversibility, and the blocking precondition from saved-design references. It omits batch semantics for the up-to-50 paths (partial failure vs all-or-nothing), which is the main remaining gap.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.