Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given no annotations, no output schema, and a simple single-parameter tool, the description is incomplete. While it states what the tool does, it doesn't provide enough context about authentication requirements, return format, error handling, or how it differs from sibling tools. For a tool that retrieves content, the agent needs more information about what 'entire content' includes and any access constraints.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.