Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
The input schema has one parameter, 'project_id', with a description 'Project ID', covering 100% of the schema. The description repeats 'project ID' but adds no extra semantic meaning, such as format, required state, or relation to the index. Since schema coverage is complete, a baseline score of 3 is appropriate.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.