Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given the tool's simplicity (1 param, no nested objects, output schema), the description covers the basic purpose, arguments, return value, and error cases. However, it lacks context about the trash lifecycle and how this tool relates to siblings, leaving some gaps.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.