Use Heart Rate Zone Calculator with your AI.
Connect your account once and let the AI you already use work with it, without building another integration. Calculate personalized training zones using the Karvonen formula and sport-specific adjustments.
Developed, maintained, and hosted by Vinkius.
MCP VERIFIED · PRODUCTION READY · VINKIUS GUARANTEED
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Works with modern AI clients that support MCP, including ChatGPT, Claude, Cursor, and more.
Complete set · 3 capabilities
The complete Heart Rate Zone Calculator capability set.
These are the exact actions your AI can choose when you ask it to work with Heart Rate Zone Calculator.
01-03
3 capabilities in this set.
Part of 3 available through Heart Rate Zone Calculator.
- 01
Get max heart rate
Determines the most accurate maximum heart rate for a user
- 02
Calculate training zones
Calculates specific heart rate ranges for all five training zones
- 03
Get workout distribution
Provides a recommended time allocation across training zones
Observed, not estimated
609ms average. Fast in production.
Heart Rate Zone Calculator is checked daily against the live service.
- Fastest day
- 515ms
- Slowest day
- 727ms
- 14-day trend
- Improving-10%
Connect your client
One URL. Every client.
Activate the Connector, copy your link, and paste it into the client you already use. 3 capabilities arrive ready to run.
Preview access · not provider authentication
The vk_preview_* token belongs to Vinkius preview infrastructure. It lets Claude discover and display the capabilities of Heart Rate Zone Calculator, so you can see the experience inside your AI.
It does not authenticate your account with Heart Rate Zone Calculator. Actions requiring credentials or live account data may not run until you activate the Connector and authorize the service.
Heart Rate Zone Calculator Connector
You're all set. Choose your MCP client and follow the setup instructions.
https://edge.vinkius.com/vk_preview_UhiCztz8LAwVLs6hpjj3MHalVMZormNmXAwDyfb2/mcpClaude Desktop
Follow the steps below to connect in seconds.
- 1In Claude Desktop, open Settings → Connectors.
- 2Click “Add custom connector” and paste the connector link above as the remote MCP server URL.
- 3Click Add and start a new chat — Heart Rate Zone Calculator capabilities are ready to use.
{
"mcpServers": {
"heart-rate-zone-calculator-mcp": {
"url": "https://edge.vinkius.com/vk_preview_UhiCztz8LAwVLs6hpjj3MHalVMZormNmXAwDyfb2/mcp"
}
}
}
Claude
ChatGPT
Cursor
VS Code
Windsurf
Claude Code
JetBrains
Cline
Step-by-step instructions for each client are in the guide. How to connect
FAQ
Questions Heart Rate Zone Calculator owners ask.
- 01
How does the calculator determine my maximum heart rate?
The get_max_heart_rate capability uses either a field test result if provided, or calculates an estimate by subtracting your age from 220.
- 02
What is the Karvonen method?
The Karvonen method uses your Heart Rate Reserve (the difference between your max HR and resting HR) to create more personalized training zones than simple percentage-based methods.
- 03
Does the capability account for different sports?
Yes, calculate_training_zones applies specific intensity modifiers for disciplines like cycling and swimming to account for different physiological demands.
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