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 effectively communicates critical traits: the action is destructive ('Delete permanently') and irreversible ('cannot be undone'), which are essential for safe use. However, it lacks details on permissions, error conditions, or response format, leaving some behavioral aspects unclear.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.