{"name":"percentile","title":"Percentile Calculator","category":"statistics","description":"Value at a given percentile, or the percentile rank of a value, over a dataset.","price_usd":0.001,"input_schema":{"type":"object","properties":{"numbers":{"type":"array","description":"Non-empty numeric dataset"},"percentile":{"type":"number","description":"Percentile 0..100 (returns the value there)"},"value":{"type":"number","description":"A value (returns its percentile rank)"}},"additionalProperties":false,"required":["numbers"]}}