Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
The annotations are all non-informative defaults ('readOnlyHint': false, 'destructiveHint': false, 'idempotentHint': false), so the description carries the full disclosure burden. It only says 'Run' and adds no detail about side effects, output format, error behavior, or risks of executing arbitrary HMP commands.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.