Health
Estimate your lean body mass (LBM) from sex, age, weight and height using three clinical formulas side by side, with derived body-fat percentage.
Call this tool from your code in three languages.
curl -X POST 'https://api.elysiatools.com/en/api/tools/lean-body-mass-calculator' \
-H 'Content-Type: application/json' \
-d '{"sex":"male","age":30,"weight":70,"weightUnit":"kg","height":175,"heightUnit":"cm","precision":1}'Send a POST request with your inputs as JSON. File parameters require a separate upload first.
POST https://api.elysiatools.com/en/api/tools/lean-body-mass-calculator| Name | Type | Required | Description |
|---|---|---|---|
| sex | select | No | — |
| age | number | Yes | — |
| weight | number | Yes | — |
| weightUnit | select | No | — |
| height | number | Yes | — |
| heightUnit |
Add this tool to your Model Context Protocol server so AI agents can list and call it.
Add this block to your MCP client configuration:
{
"mcpServers": {
"elysiatools-lean-body-mass-calculator": {
"name": "lean-body-mass-calculator",
"description": "Estimate your lean body mass (LBM) from sex, age, weight and height using three clinical formulas side by side, with derived body-fat percentage.",
"baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=lean-body-mass-calculator",
"command": "",
"args": [],
"env": {},
"isActive": true,
"type": "sse"
}
}
}After connecting to the SSE endpoint, list the exposed tools:
{
"jsonrpc": "2.0",
"id": 1,
"method": "tools/list"
}Invoke the tool by its id, passing arguments built from its parameters:
{
"jsonrpc": "2.0",
"id": 2,
"method": "tools/call",
"params": {
"name": "lean-body-mass-calculator",
"arguments": {
"sex": "male",
"age": 30,
"weight": 70,
"weightUnit": "kg",
"height": 175,
"heightUnit": "cm",
"precision": 1
}
}
}Questions or issues? Contact [email protected]
| select |
| No |
| — |
| precision | number | No | — |
HTML result
{
"result": "<div>Processed HTML content</div>",
"error": "Error message (optional)",
"message": "Notification message (optional)",
"metadata": {
"key": "value"
}
}