Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
Without annotations, the description carries full responsibility for behavioral disclosure. It only states 'Get the form for a task' without mentioning read-only nature, permissions, side effects, or what the returned form contains. This minimal disclosure is insufficient for safe invocation.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.