Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
The annotation readOnlyHint=false indicates a mutation, and the description 'Archive project' implies a state change. However, it does not disclose any behavioral details such as whether archiving is reversible, what side effects occur (e.g., hiding the project, freezing changes), or what the response includes. The description adds no information beyond the annotation.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.