Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations, the description carries the burden of behavioral disclosure. It does state 'read-only,' which is a key safety trait, but it does not discuss authentication requirements, error behavior, parameter handling, or response formats. This is minimal transparency for a raw endpoint tool.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.