Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
Annotations already declare readOnlyHint=false, destructiveHint=false and openWorldHint=true, so a baseline of safety context exists. The description adds nothing beyond 'makes a copy' – it does not say what gets copied (graph, nodes, media references, settings), whether the copy lands in the same account, or what identifier comes back. Since the tool is a write that reaches a remote service, this silence is a real gap.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.