Maximum & Target Heart Rate

Age-predicted maximum heart rate and target training zone.

How to use

Call with the inputs below. Boolean inputs are optional (absent = false). Returns the value, an interpretation, and a breakdown. Deterministic — no network call.

Parameters

Name	Type		Description
age	number	required	Age — unit: years

Example input

{
  "age": 40
}

Example output

{
  "calculator": "Maximum & Target Heart Rate",
  "category": "Cardiovascular",
  "value": "180 bpm",
  "interpretation": "Age-predicted maximum heart rate (220 − age).",
  "severity": "info",
  "detail": {
    "50% target": "90 bpm",
    "85% target": "153 bpm"
  }
}

Call it (MCP tools/call)

{
  "method": "tools/call",
  "params": {
    "name": "calc_max_heart_rate",
    "arguments": {
      "age": 40
    }
  }
}

Endpoint: POST https://clinical-mcp.mcharge.in/mcp (Streamable HTTP).