Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema description coverage is 0%, so the description should compensate, but it adds nothing about project_id beyond the schema's pattern constraint. That said, the single parameter is largely self-explanatory — 'project_id' clearly refers to the project to export, and the regex pattern fully documents its format. The compensation gap is minor because the parameter name and schema together convey sufficient meaning; a richer description would add little value here.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.