Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations provided, the description carries the full burden of behavioral disclosure. While 'Delete' implies a destructive operation, there is no information about whether deletions are permanent, reversible, atomic (all-or-nothing), or if there are cascade effects on related memories. The existence of an output schema is noted in context signals, but the description doesn't hint at what behavioral information it contains.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.