Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations provided, the description carries the full burden of behavioral disclosure. It mentions that the bucket must be empty, which is a critical constraint, but doesn't cover other important aspects like permissions required, whether the operation is reversible, error conditions (e.g., if the bucket doesn't exist), or rate limits. This leaves significant gaps in understanding the tool's behavior.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.