Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given zero annotations, no output schema, and simple parameters, the description is the sole source of context. It fails to clarify the scope (audio/video/all), the effect on existing targeting, or any prerequisites (e.g., an open sequence). The 'expanded operation' phrase is unexplained and adds confusion rather than completeness.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.