Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations, the description carries the full burden of behavioral disclosure. It mentions 'sudo', implying privilege escalation, but does not detail other important behaviors such as whether the upgrade is non-interactive, what happens if the package is not installed, or if dependencies are updated.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.