Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
Annotations are sparse (no readOnly, destructive hints), and the description does not disclose behavioral traits such as whether the operation is reversible, if it modifies all paths globally, or what happens to other order_index values. The description adds minimal context beyond the annotations.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.