Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
Annotations indicate readOnlyHint=true (safe operation), openWorldHint=true (handles diverse inputs), and idempotentHint=false (non-idempotent). The description adds value by specifying the transformation is for 'clarity and effectiveness' and involves 'prompt engineering best practices', which provides behavioral context beyond annotations. However, it doesn't detail aspects like rate limits, error handling, or output format, keeping the score moderate.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.