Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations, the description carries the full burden. It discloses the return content (details including flows and subgroups) but does not mention side effects, permissions, error behavior, or output format. For a simple read operation, the core behavior is clear, but additional context is missing.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.