Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations, the description carries the full burden of behavioral disclosure, but it only says 'Content rating of goods'. It does not state whether this is a read-only lookup, what data is returned, whether output is per-SKU, or any pagination, rate-limit, or authorization behavior.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.