Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given the tool's complexity (submission, auth, validation) and that an output schema exists (so return format doesn't need explanation), the description covers the essential context: prerequisite, authentication, human review process, and return info. It could optionally mention error handling, but is sufficiently complete.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.