Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations are supplied, so the description carries the full behavioral burden; it does convey that this is a workspace-scoped read by disclosing the returned fields (titles, content, enabled status). It says nothing about permissions, whether disabled guides are included, or result size, which leaves meaningful gaps for a no-annotation tool.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.