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 no additional context, the description leaves out critical operational details: error behavior, idempotency, and the effect of unregistering on related mesh entities. The agent is left to infer the consequences of the call, making the description insufficiently complete.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.