MCP For Claude Marketplace
Heart Rate Zones Calculator

Heart Rate Zones Calculator MCP Connector for Claude

A+

Calculate precise physiological training zones using Simple % and Karvonen (HRR) methods.

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

This MCP server provides a precision fitness utility for calculating five distinct heart rate training zones. It supports two primary calculation methodologies: the Simple Percentage method, which uses your maximum heart rate as a baseline, and the Karvonen (Heart Rate Reserve) method, which incorporates your resting heart rate for a more personalized intensity range. The server also includes advanced estimation models like Tanaka and Gulati to predict your maximum heart rate based on age and gender. Use estimate_max_hr to find your predicted ceiling, then apply calculate_simple_zones or calculate_karvonen_zones to define your training boundaries.

heart-ratetraining-zoneskarvonenfitness-trackingcardio

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

estimate_max_hr

Estimate maximum heart rate based on age and gender

calculate_karvonen_zones

Calculate training zones using the Karvonen (HRR) method

calculate_simple_zones

Calculate training zones using simple percentage of MaxHR

See how to talk to your AI agent using Heart Rate Zones Calculator.

I am a 30-year-old male. What is my estimated max heart rate?

Based on the Tanaka model for a 30-year-old male, your estimated maximum heart rate is 191 BPM.

My max HR is 180 and my resting HR is 60. What are my training zones using the Karvonen method?

Using the Karvonen method, your training zones are: Zone 1 (90-108 BPM), Zone 2 (108-126 BPM), Zone 3 (126-144 BPM), Zone 4 (144-162 BPM), and Zone 5 (162-180 BPM).

Calculate my simple training zones if my max HR is 190.

Based on a maximum heart rate of 190 BPM, your simple intensity zones are: Zone 1 (95-114 BPM), Zone 2 (114-133 BPM), Zone 3 (133-152 BPM), Zone 4 (152-171 BPM), and Zone 5 (171-190 BPM).

The Simple method uses a fixed percentage of your maximum heart rate. The Karvonen method uses your Heart Rate Reserve (Max HR minus Resting HR), making it more personalized to your current fitness level.

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