Calorie Calculator: API and MCP

Calorie Calculator over REST and MCP: input fields, limits, outputs, one example request and its real answer. Free, no sign-up.

Id: health.calorie
Version: 1.0.0
Access: Free
Tool page: Calorie Calculator
Schema: GET /api/v1/tools/health.calorie

Input

Field	Type	Constraints	Default	Description
`sex` (required)	string	female \| male		Sex
`age` (required)	integer	≥ 18, ≤ 100		Age (years)
`weight` (required)	number	≥ 30, ≤ 300		Weight (kg)
`height` (required)	number	≥ 120, ≤ 230		Height (cm)
`activity`	string	sedentary \| light \| moderate \| active \| veryActive	sedentary	Activity level

Output

Field	Type	Description
`bmr`	number	Basal metabolic rate (BMR) (kcal/day)
`tdee`	number	Daily calorie need (kcal/day)

Example request

{
  "input": {
    "sex": "female",
    "age": 31,
    "weight": 65,
    "height": 168,
    "activity": "moderate"
  },
  "locale": "en"
}

Example answer

{
  "output": {
    "bmr": 1384,
    "tdee": 2145
  },
  "steps": [
    {
      "id": "bmr",
      "formula": "BMR = 10 × weight + 6.25 × height − 5 × age − 161",
      "substitution": "BMR = 10 × 65 + 6.25 × 168 − 5 × 31 − 161",
      "value": 1384,
      "unit": "kcal"
    },
    {
      "id": "tdee",
      "formula": "daily energy need = BMR × activity factor",
      "substitution": "daily energy need = 1,384 × 1.55",
      "value": 2145,
      "unit": "kcal"
    }
  ],
  "meta": {
    "toolVersion": "1.0.0",
    "locale": "en"
  },
  "citation": {
    "url": "https://hesaplayici.com/en/health/calorie-calculator",
    "title": "Calorie Calculator"
  }
}