Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations, the description must carry the full behavioral disclosure burden, but it only restates the read intent and resource scope. It does not mention permissions, rate limits, response contents, or side effects, although 'Get' implies a safe read.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.