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 only states the search functionality without mentioning whether this is a read-only operation, how results are returned (e.g., pagination via 'after' parameter), rate limits, authentication requirements, or what happens when no matches are found. For a search tool with complex parameters, this leaves significant behavioral gaps.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.