Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
Annotations declare readOnlyHint, openWorldHint, and idempotentHint. The description adds behavioral context about generating visual maps, scoring criticality, and referencing regulatory sources (EUR-Lex, CNIL). It does not contradict annotations and provides additional transparency beyond structured fields.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.