Health
Extended BMR Calculator (Mifflin / Schofield Multi-Formula Comparison)
Compare Mifflin-St Jeor, original and revised Harris-Benedict, Schofield (FAO/WHO/UNU), and Katch-McArdle BMR equations side by side with mean and spread in kcal/day. Not medical advice.
json· JSON resultOpen tool
Quick start
Call this tool from your code in three languages.
cURL
curl -X POST 'https://api.elysiatools.com/en/api/tools/basal-metabolic-rate-ext' \
-H 'Content-Type: application/json' \
-d '{"sex":"male","weightKg":75,"heightCm":175,"ageYears":30,"leanBodyMass":60,"decimalPlaces":1}'API reference
Send a POST request with your inputs as JSON. File parameters require a separate upload first.
Endpoint
HTTP
POST https://api.elysiatools.com/en/api/tools/basal-metabolic-rate-extParameters
| Name | Type | Required | Description |
|---|---|---|---|
| sex | select | Yes | Sex used by the sex-specific equations. |
| weightKg | number | Yes | Body weight in kilograms. |
| heightCm | number | Yes | Height in centimeters. |
| ageYears | number | Yes | Age in years (18–100). |
| leanBodyMass | number | No | Optional lean body mass in kg; enables the Katch-McArdle formula (370 + 21.6×LBM). |
MCP integration
Add this tool to your Model Context Protocol server so AI agents can list and call it.
Server configuration
Add this block to your MCP client configuration:
mcp.json
{
"mcpServers": {
"elysiatools-basal-metabolic-rate-ext": {
"name": "basal-metabolic-rate-ext",
"description": "Compare Mifflin-St Jeor, original and revised Harris-Benedict, Schofield (FAO/WHO/UNU), and Katch-McArdle BMR equations side by side with mean and spread in kcal/day. Not medical advice.",
"baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=basal-metabolic-rate-ext",
"command": "",
"args": [],
"env": {},
"isActive": true,
"type": "sse"
}
}
}List available tools
After connecting to the SSE endpoint, list the exposed tools:
tools/list
{
"jsonrpc": "2.0",
"id": 1,
"method": "tools/list"
}Call this tool
Invoke the tool by its id, passing arguments built from its parameters:
tools/call
{
"jsonrpc": "2.0",
"id": 2,
"method": "tools/call",
"params": {
"name": "basal-metabolic-rate-ext",
"arguments": {
"sex": "male",
"weightKg": 75,
"heightCm": 175,
"ageYears": 30,
"leanBodyMass": 60,
"decimalPlaces": 1
}
}
}Chain multiple tools in one session with a comma-separated toolId list, e.g. /mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp (max 20).
Questions or issues? Contact [email protected]