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 but offers none. 'Edit a protection group' implies a mutation operation, but it doesn't disclose what permissions are required, whether the edit is destructive or reversible, what happens to existing settings not mentioned, rate limits, or error conditions. For a mutation tool with zero annotation coverage, this is a critical gap in behavioral transparency.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.