{"ok":true,"tool":"BMR Calculator","operation":"calculate-bmr","description":"Estimate Basal Metabolic Rate from gender, age, weight, and height.","method":"POST","endpoint":"/api/bmr-calculator","webUrl":"https://toolhub-5eo.pages.dev/tools/bmr-calculator","parameters":{"type":"object","properties":{"gender":{"type":"string","enum":["male","female"],"description":"Biological sex"},"age":{"type":"number","description":"Age in years"},"weight":{"type":"number","description":"Weight in kilograms"},"height":{"type":"number","description":"Height in centimetres"},"formula":{"type":"string","enum":["mifflin","harris"],"description":"Formula to use (default mifflin)"}},"required":["gender","age","weight","height"]},"response":{"type":"object","properties":{"bmr":{"type":"number"},"formula":{"type":"string"},"gender":{"type":"string"},"age":{"type":"number"},"weight":{"type":"number"},"height":{"type":"number"}}},"example":{"request":{"gender":"male","age":25,"weight":80,"height":180,"formula":"mifflin"},"response_shape":{"type":"object","properties":{"bmr":{"type":"number"},"formula":{"type":"string"},"gender":{"type":"string"},"age":{"type":"number"},"weight":{"type":"number"},"height":{"type":"number"}}}},"howToCall":"POST a JSON body to https://toolhub-5eo.pages.dev/api/bmr-calculator. Returns {\"ok\":true,\"result\":{...}} on success or {\"ok\":false,\"error\":\"...\"} on failure. No auth, CORS-enabled.","parametersSummary":"  gender (string, required, one of: male|female) — Biological sex\n  age (number, required) — Age in years\n  weight (number, required) — Weight in kilograms\n  height (number, required) — Height in centimetres\n  formula (string, optional, one of: mifflin|harris) — Formula to use (default mifflin)","curlExample":"curl -X POST https://toolhub-5eo.pages.dev/api/bmr-calculator -H \"Content-Type: application/json\" -d '{\"gender\":\"male\",\"age\":25,\"weight\":80,\"height\":180,\"formula\":\"mifflin\"}'"}