{"name":"one_rep_max","title":"One-Rep Max (1RM) Estimator","category":"fitness","description":"Estimate one-rep max from a weight x reps set (Epley + Brzycki) plus a percentage-of-1RM training table with load and rep targets.","price_usd":0.001,"input_schema":{"type":"object","properties":{"weight":{"type":"number","description":"Weight lifted"},"reps":{"type":"integer","description":"Reps performed at that weight"},"unit":{"type":"string","description":"Weight unit label, e.g. 'lb' or 'kg' (default 'lb')"}},"additionalProperties":false,"required":["weight","reps"]}}