Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
For a destructive operation with no annotations, 0% schema coverage, and no output schema, the description is incomplete. It lacks details on error conditions, return values, side effects (e.g., billing implications), and doesn't fully compensate for the missing structured information, leaving gaps for safe agent use.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.