Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations provided, the description carries full burden for behavioral disclosure. It mentions the return format (JSON) and error handling (Chinese error messages), but lacks critical information about whether this is a read-only operation, rate limits, authentication requirements, or pagination behavior beyond the page/limit parameters. For a tool with 12 parameters and no annotations, this is insufficient behavioral context.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.