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Startup Cash Runway Calculator

Months of runway and net monthly burn from cash on hand, revenue and expenses.

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

Parameters

ParameterTypeRequiredDescription
cash_on_handnumberrequiredCash in the bank in USD
monthly_revenuenumberoptionalMonthly revenue in USD
monthly_expensesnumberoptionalMonthly operating expenses in USD
monthly_net_burnnumberoptionalOptional explicit net burn (overrides expenses-revenue)

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": "runway", "arguments": {"cash_on_hand": 100}}}'

Or plain HTTP

curl -s https://wingmanprotocol.com/tools/runway \
  -H 'Content-Type: application/json' \
  -d '{"cash_on_hand": 100}'

Try it live

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

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