Calorie Needs (BMR + TDEE)

Daily calorie needs: Mifflin–St Jeor basal metabolic rate, total daily energy expenditure by activity level, and a cut/maintain/bulk goal table.

Free tier eligible — 500 calls/month with a free key from /pricing; x402 pay-per-call above quota.

Parameters

Parameter	Type	Required	Description
`weight_kg`	number	required	Body weight in kilograms
`height_cm`	number	required	Height in centimetres
`age`	integer	required	Age in years
`sex`	string	optional	'male' or 'female' (default male)
`activity`	string	optional	sedentary \| light \| moderate \| active \| very_active (default moderate)

Call it over MCP (JSON-RPC 2.0)

curl -s https://wingmanprotocol.com/mcp \
  -H 'Content-Type: application/json' \
  -H 'Accept: application/json, text/event-stream' \
  -d '{"jsonrpc": "2.0", "id": 1, "method": "tools/call", "params": {"name": "tdee", "arguments": {"weight_kg": 180, "height_cm": 70, "age": 35}}}'

Or plain HTTP

curl -s https://wingmanprotocol.com/tools/tdee \
  -H 'Content-Type: application/json' \
  -d '{"weight_kg": 180, "height_cm": 70, "age": 35}'

Try it live

Edit the JSON and run it — this POSTs to https://wingmanprotocol.com/tools/tdee from your browser.

This tool is x402-metered — agents pay per call with USDC on Base. The 402 response below is the standard x402 payment-requirements envelope: sign the EIP-3009 authorization and retry with the X-Payment header, or get a free key at /pricing (500 calls/month, no card, no crypto).