Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations are provided, so the description carries full burden. It clearly states the tool returns a list of names, which is a safe, non-destructive read operation. While it doesn't mention sorting or pagination, the simplicity of the tool's output (list of names) makes this acceptable. The description does not contradict any annotations.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.