Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
Annotations already declare readOnlyHint=true, idempotentHint=true, and destructiveHint=false, and the description aligns by framing this as a 'check'. It adds useful specificity by naming what is being verified (30-day unwatermarked pass and unlimited edits), but it does not add additional behavioral details such as authentication needs, response shape, or error behavior.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.