Calories Burned (MET)

Calories burned for an activity from its MET value, body weight and duration, plus a comparison table of common activities at the same weight and time.

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

Parameters

Parameter	Type	Required	Description
`activity`	string	required	walking \| running \| cycling \| swimming \| jump_rope \| weightlifting \| yoga \| hiking \| rowing \| elliptical \| basketball \| soccer \| tennis \| ...
`weight_kg`	number	required	Body weight in kilograms
`duration_min`	number	required	Activity duration in minutes

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": "calories_burned", "arguments": {"activity": "example", "weight_kg": 180, "duration_min": 100}}}'

Or plain HTTP

curl -s https://wingmanprotocol.com/tools/calories_burned \
  -H 'Content-Type: application/json' \
  -d '{"activity": "example", "weight_kg": 180, "duration_min": 100}'

Try it live

Edit the JSON and run it — this POSTs to https://wingmanprotocol.com/tools/calories_burned 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).