Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
For a simple inspection tool with no parameters and no output schema, the description is adequate. It covers the scope (USB/storage partitions, mounts, filesystems) without needing to elaborate further. However, it does not mention whether the output is aggregated or detailed.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.