Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
For a tool with two optional parameters, a rich schema, and an output schema, the description is sufficient. It covers the purpose, endpoint, and key side effects. Minor gap: no explicit guidance on when to use this vs. activate-agent-version, but that is partially covered by the side-effect statement.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.