{"name":"bmi","title":"Body Mass Index (BMI)","category":"fitness","description":"BMI from weight and height, the WHO weight category, and the healthy-weight range for your height. Metric (kg/cm) or imperial (lb/in).","price_usd":0.001,"input_schema":{"type":"object","properties":{"weight":{"type":"number","description":"Body weight (kg if metric, lb if imperial)"},"height":{"type":"number","description":"Height (cm if metric, inches if imperial)"},"unit":{"type":"string","description":"'metric' (kg/cm) or 'imperial' (lb/in); default metric"}},"additionalProperties":false,"required":["weight","height"]}}