Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations, the description carries the full behavioral burden, yet it discloses little: "latest" and "72h Corrections" hint at a temporal window but the term "Corrections" is never defined, and nothing is said about return shape, item count, or auth needs. It does not contradict anything, but it leaves most behavioral traits unstated.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.