MCP For Claude Marketplace
API Ninjas

API Ninjas MCP Connector for Claude

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Access fitness, health and nutrition tools — search exercises, calculate calories, body fat, BMR, TDEE and get nutrition info.

8 tools Official Updated Jun 28, 2026 Official Vinkius Partner
More Details Connect to Claude

Connect to API Ninjas and access a comprehensive suite of health and fitness tools through natural conversation.

What you can do

  • Exercise Search — Search 1000+ exercises by name, type, muscle group and difficulty with step-by-step instructions
  • Calories Burned — Calculate calories burned for various activities based on weight and duration
  • Body Fat — Estimate body fat percentage using the US Navy method
  • BMR & TDEE — Calculate Basal Metabolic Rate and Total Daily Energy Expenditure
  • Nutrition — Get nutritional info for any food item (calories, protein, carbs, fat)
  • Sleep — Get recommended sleep duration based on age and gender
  • Steps — Calculate calories burned and distance from step count

How it works

  1. Subscribe to this server
  2. Enter your API Ninjas API Key (free registration)
  3. Start exploring health data from Claude, Cursor, or any MCP-compatible client

Who is this for?

  • Fitness Enthusiasts — discover exercises, track calories and calculate fitness metrics
  • Personal Trainers — find exercises by muscle group, calculate client BMR and TDEE
  • Nutritionists — look up nutritional info for food items and estimate body fat
fitness-trackingcalorie-calculatorhealth-dataexercise-searchnutrition-infolifestyle-tools

8 tools expose this connector's capabilities to your AI agent.

get_bmr

Requires weight (kg), height (cm), age and gender. Returns BMR value in calories/day. Calculate Basal Metabolic Rate

get_body_fat

Requires waist, neck and height measurements (in cm). For women, also requires hip measurement. Returns body fat percentage and category (lean, fitness, acceptable, obese). Estimate body fat percentage

get_calories_burned

Requires activity name, weight (kg) and duration (minutes). Returns activity name, duration, calories burned and MET value. Calculate calories burned for an activity

get_exercises

Supports filtering by name, type (cardio, olympic_weightlifting, plyometrics, powerlifting, strength, stretching, strongman), muscle (abdominals, abductors, adductors, biceps, calves, chest, forearms, glutes, hamstrings, lats, lower_back, middle_back, neck, quadriceps, traps, triceps) and difficulty (beginner, intermediate, expert). Returns exercise name, type, muscle worked, equipment needed, difficulty level and step-by-step instructions. Search exercises by name, type, muscle or difficulty

get_nutrition

Returns calories, protein, carbohydrates, fat, saturated fat, cholesterol, sodium, potassium, fiber and sugar per 100g serving. Get nutrition info for a food item

get_sleep

Returns recommended sleep range and whether current sleep is adequate. Get recommended sleep duration

get_steps

Requires step count and optionally weight (kg), height (cm), age and gender for more accurate calculations. Calculate calories and distance from steps

get_tdee

Requires weight (kg), height (cm), age, gender and activity level. Returns TDEE value in calories/day with breakdown by activity level. Calculate Total Daily Energy Expenditure

See how to talk to your AI agent using API Ninjas.

Find chest exercises for beginners.

Found 15+ chest exercises for beginners including: Bench Press (barbell, intermediate), Push-ups (body weight, beginner), Cable Crossover (cable, beginner), Dumbbell Fly (dumbbell, beginner). Each with step-by-step instructions.

What's the nutritional info for a banana?

Banana (per 100g): Calories: 89, Protein: 1.1g, Carbs: 22.8g, Fat: 0.3g, Fiber: 2.6g, Sugar: 12.2g, Potassium: 358mg.

Calculate my BMR. I'm 30 years old, male, 80kg, 180cm.

Your BMR is 1,795 calories/day. This is the number of calories your body burns at rest. For daily calorie needs, multiply by activity factor (1.2-1.9).

Sign up for free at [**api-ninjas.com/register**](https://api-ninjas.com/register). Free tier includes 10,000 requests/month.

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