Health
Convert a daily calorie target into grams of carbohydrate, protein and fat. Pick a preset split — balanced (50/30/20), low-carb (35/40/25), keto (10/20/70) or high-protein (40/35/25) — or define your own percentages.
Call this tool from your code in three languages.
curl -X POST 'https://api.elysiatools.com/en/api/tools/macro-calculator' \
-H 'Content-Type: application/json' \
-d '{"calories":2000,"preset":"balanced","carbPct":45,"proteinPct":30,"fatPct":25,"precision":0}'Send a POST request with your inputs as JSON. File parameters require a separate upload first.
POST https://api.elysiatools.com/en/api/tools/macro-calculator| Name | Type | Required | Description |
|---|---|---|---|
| calories | number | Yes | — |
| preset | select | No | — |
| carbPct | number | No | — |
| proteinPct | number | No | — |
| fatPct | number | No | — |
| precision |
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-macro-calculator": {
"name": "macro-calculator",
"description": "Convert a daily calorie target into grams of carbohydrate, protein and fat. Pick a preset split — balanced (50/30/20), low-carb (35/40/25), keto (10/20/70) or high-protein (40/35/25) — or define your own percentages.",
"baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=macro-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": "macro-calculator",
"arguments": {
"calories": 2000,
"preset": "balanced",
"carbPct": 45,
"proteinPct": 30,
"fatPct": 25,
"precision": 0
}
}
}Questions or issues? Contact [email protected]
| number |
| No |
| — |
HTML result
{
"result": "<div>Processed HTML content</div>",
"error": "Error message (optional)",
"message": "Notification message (optional)",
"metadata": {
"key": "value"
}
}