Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
With no annotations, no output schema, and 0% schema description coverage, the description is underspecified. It lacks essential context about option update behavior, error cases, and return values. Given the WordPress ecosystem's complexities around options (serialization, autoload, creation vs update), this is insufficient.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.