Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
Annotations indicate this is not read-only, idempotent, or destructive, but the description adds useful context about the OAuth process and expected returns. However, it doesn't detail error handling, token expiration, or security implications beyond what annotations imply.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.