Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
Annotations cover key behavioral traits (readOnlyHint=true, destructiveHint=false, idempotentHint=true, openWorldHint=true), so the description's burden is lower. The description adds minimal context by implying it's a GET operation for a queue list, which aligns with annotations. However, it doesn't disclose additional details like rate limits, authentication needs, or what 'queue' specifically entails (e.g., pending deployments). With annotations providing safety and idempotency, a score of 3 reflects some added value but limited behavioral insight.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.