Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations are provided, so the description carries the full burden. It discloses the core behavior (syntax checking) but does not mention side effects, return values, or error handling. As a validation tool, it likely has no destructive side effects, but this is not explicitly stated, leaving a gap in transparency.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.