Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations are provided, so the description must carry the burden of behavioral disclosure. It reveals that only public posts are returned and that they are recent, implying a read-only operation. However, it does not explicitly state safety (e.g., no side effects), authentication requirements, or pagination behavior beyond the limit parameter. It adds some value but is not comprehensive.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.