Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
Annotations already declare readOnlyHint=true, destructiveHint=false and openWorldHint=false, so safety and scope are covered. The description only adds the 'tracked' qualifier on the project universe; it says nothing about pagination behavior or result ordering, though the schema's cursor and sort fields partially cover that. With annotations carrying the safety profile, this is a modest add.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.