Tip & Bill Split Calculator

Tip amount, grand total and per-person share for a bill.

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

Parameters

Parameter	Type	Required	Description
`bill_amount`	number	required	Bill amount in USD
`tip_pct`	number	optional	Tip percent (default 18)
`num_people`	integer	optional	Number of people splitting (default 1)
`round_up`	boolean	optional	Round each person's share up to the cent

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": "tip_split", "arguments": {"bill_amount": 1000}}}'

Or plain HTTP

curl -s https://wingmanprotocol.com/tools/tip_split \
  -H 'Content-Type: application/json' \
  -d '{"bill_amount": 1000}'

Try it live

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