Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations provided, the description carries full burden for behavioral disclosure. It states the tool downloads to local storage, implying a read operation, but lacks details on permissions, rate limits, file formats, or error handling. For a tool that likely involves file I/O and network access, this is insufficient behavioral context.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.