Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema description coverage is 71%, and the description itself says nothing about any of the 7 parameters (query syntax, tags, category, time window, or result limit). The schema covers most of the semantics, so baseline 3 applies, but tags and category carry no documentation anywhere.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.