Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given the tool has no annotations, no output schema, and 0% schema description coverage, the description is inadequate. It doesn't explain what the tool returns, how the summarization works, quality expectations, or error conditions. For a tool that processes text with an LLM, this leaves significant gaps in understanding.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.