Health

Protein Intake Calculator (by Body Weight & Activity)

Estimate your daily protein target in grams from body weight and activity level. Coefficients (g per kg bodyweight) follow the ISSN 2017 position stand and the Morton et al. 2018 meta-analysis.

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Quick start

Call this tool from your code in three languages.

cURL

curl -X POST 'https://api.elysiatools.com/en/api/tools/protein-intake-calculator' \
  -H 'Content-Type: application/json' \
  -d '{"bodyWeight":70,"unit":"kg","activity":"strength","intensity":"mid","precision":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/protein-intake-calculator

Parameters

Name	Type	Required	Description
bodyWeight	number	Yes	—
unit	select	No	—
activity	select	No	—
intensity	select	No	—
precision	number	No	—

Response format

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-protein-intake-calculator": {
      "name": "protein-intake-calculator",
      "description": "Estimate your daily protein target in grams from body weight and activity level. Coefficients (g per kg bodyweight) follow the ISSN 2017 position stand and the Morton et al. 2018 meta-analysis.",
      "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=protein-intake-calculator",
      "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": "protein-intake-calculator",
    "arguments": {
  "bodyWeight": 70,
  "unit": "kg",
  "activity": "strength",
  "intensity": "mid",
  "precision": 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]

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