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Heart Rate Zones Calculator

Heart Rate Zones Calculator MCP for AI. Pinpoint exact workout intensities using the Karvonen formula.

Claude Claude
ChatGPT ChatGPT
Cursor Cursor
Gemini Gemini
Windsurf Windsurf
VS Code VS Code
JetBrains JetBrains
Vercel Vercel
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Connect to your AI in seconds.

Heart Rate Zones Calculator uses the scientifically validated Karvonen formula to pinpoint precise aerobic training zones for any client. You input age and resting heart rate, and this MCP instantly computes your Heart Rate Reserve (HRR) and provides specific BPM boundaries for all five intensity levels.

It's essential for coaches who need accurate data for metabolic targeting, like maximizing fat oxidation or pushing the anaerobic threshold.

What your AI can do

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

Determine Heart Rate Reserve

Calculate a client's baseline Heart Rate Reserve (HRR) using age and resting heart rate.

Establish Full Zone Boundaries

Compute the exact BPM range for all five recognized training zones based on your calculated HRR.

Define Training Intensity Levels

Retrieve standard, percentage-based descriptions for heart rate zones (e.g., 'light' or 'hard').

Included with Plan

Waiting for input…

AI Agent

Heart Rate Zones Calculator: 3 Tools Available

These tools allow you to calculate fundamental physiological metrics, determine specific heart rate boundaries, and retrieve standard intensity definitions.

Make your AI actually useful.

Add this MCP to Claude, Cursor, or Windsurf and your AI stops guessing. It gets real tools to look things up, take action, and handle the stuff you keep doing by hand.

Start using Heart Rate Zones Calculator on Vinkius

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

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Claude AI

Claude AI

1

Open Claude Settings

Go to claude.ai, click your profile icon, then navigate to Customize → Connectors.

2

Add Custom Connector

Click the "+" button and select Add custom connector. Paste your Vinkius endpoint URL:

https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp

Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com. For OAuth-protected servers, expand Advanced settings to add credentials.

3

Start a conversation

Open a new chat. The Heart Rate Zones Calculator integration is available immediately — no restart needed.

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Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by Heart Rate Zones Calculator. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.

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Works with Claude, ChatGPT, Cursor, and more

The Model Context Protocol standardizes how applications expose capabilities to LLMs. Instead of operating in isolation, your AI gains direct access to external platforms, live data, and real-world actions through secure, standardized connections.

This connection provides 3 powerful capabilities that interface natively with Claude, ChatGPT, Cursor, and other compatible AI platforms. No middleware. No custom integration required.

Manual cardio planning feels like a math exam.

Today, setting up a workout plan means remembering the Karvonen formula, looking up charts to find what 'Zone 3' actually represents, and then running multiple calculations across different sheets—all before you even talk to the client. It’s tedious, time-consuming, and prone to human error.

With this MCP, your agent handles the entire process in one go. You provide the basic metrics, and instantly, it delivers a full suite of calculated data points, giving you precise BPM boundaries for every intensity level. It's immediate, accurate, and ready to use.

Getting Clear Zone Boundaries with `calculate_zone_ranges`

You no longer have to manually calculate the upper and lower bounds for every zone. You simply ask your agent, and it uses `calculate_zone_ranges` to deliver those specific numbers—it's clean data you can copy right into a client file.

The difference is that you move from theoretical calculations to actionable plans in seconds. That’s what this MCP gives you.

What your AI can actually do with this

Designing a workout plan shouldn't involve pulling up multiple charts and running complex math equations by hand. This MCP handles the entire physiological calculation suite instantly. You tell your AI client your starting metrics—like age and resting heart rate—and it runs the necessary calculations to establish your Heart Rate Reserve (HRR).

From there, it calculates specific BPM boundaries for every training zone, giving you actionable ranges instead of vague guidelines. It also pulls up standard definitions so you know exactly what 'moderate' or 'hard' means physiologically. This makes planning targeted workouts simple and reliable. By connecting this MCP through the Vinkius catalog, your agent gets immediate access to a full suite of specialized tools without needing dozens of external integrations.

Built · Hosted · Managed by Vinkius Heart Rate Zones Calculator - Precise Training Planning
Server ID 019ed923-f92d-739c-bcad-316f3c0672ea
Vinkius Inspector
Compliance Grade A+
Score 100/100
Vinkius Inspector Badge — Score 100/100

Questions you might have

How do I use `calculate_heart_rate_reserve` for my client? +

You provide the agent with your client's age and their current resting heart rate. The tool then returns their specific Heart Rate Reserve (HRR), which is the critical first number needed for all other calculations.

What is the purpose of `get_zone_definitions`? +

It retrieves the standard meanings behind the zones. If you need to explain to a client that 'Zone 2' means light effort (60-70% of HRR), this tool provides those definitions.

Does `calculate_zone_ranges` use my RHR? +

Yes, it relies on the Heart Rate Reserve that you calculated first. It uses that specific baseline to ensure all five zone boundaries are accurate for your client.

Can I calculate zones without using this MCP? +

You can use general online calculators, but they often miss critical steps or don't provide the full suite of definitions. This MCP ensures you get the most scientifically rigorous and complete data set.

What specific data points does `calculate_heart_rate_reserve` need to run? +

It requires three inputs: your age, your resting heart rate (RHR), and an estimate of your maximum heart rate. Your agent will prompt you for these values to correctly apply the Karvonen formula.

What happens if I pass invalid data when calling `calculate_zone_ranges`? +

The tool returns a specific validation error message pointing out which input is incorrect. Always double-check that your provided BPM boundaries make physiological sense before running the function.

Do I need to configure anything in my AI client before using `get_zone_definitions`? +

No setup is needed beyond connecting your agent to Vinkius. Once connected, you simply invoke the function name; the tool handles retrieving and listing the standard zone descriptions.

How accurate are the results from `calculate_heart_rate_reserve`? +

The formulas used are scientifically recognized, but the output depends entirely on the accuracy of your inputs. Use the calculation as a strong guide for training, not as absolute medical fact.

What is the difference between the Simple and Karvonen methods? +

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.

How accurate are the maximum heart rate predictions? +

The tool uses scientifically validated models like Tanaka and Gulati. While highly accurate for general populations, clinical testing remains the gold standard.

Can I use this to plan my interval training? +

Yes, by using calculate_karvonen_zones, you can identify the exact BPM ranges for Zone 4 (Anaerobic) and Zone 5 (Maximum Effort) to structure your intervals.

Built & Managed by Vinkius 30s setup 3 tools

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Vinkius runs on Claude Claude
Vinkius runs on ChatGPT ChatGPT
Vinkius runs on Cursor Cursor
Vinkius runs on Gemini Gemini
Vinkius runs on Windsurf Windsurf
Vinkius runs on VS Code VS Code
Vinkius runs on JetBrains JetBrains
Vinkius runs on Vercel Vercel
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