Model a SAFE note and founder dilution

Work out how a SAFE converts and how much a new round dilutes existing shareholders.

Workflow

Step 1 of 3

SAFE / Convertible Note Calculator

Model how a SAFE converts to shares given a valuation cap or discount.

safe_note({"investment": 100, "round_price_per_share": 400000})

Step 2 of 3

Funding Round Dilution Calculator

Calculate post-money ownership after a new investment round.

dilution({"pre_money_valuation": 100, "investment_amount": 1000})

Step 3 of 3

Net Present Value (NPV) Calculator

Discount a startup's projected cash flows for a rough valuation sanity check.

npv({"discount_rate_pct": 0.07, "cash_flows": []})

Install

One command wires up every tool below for Claude Code:

claude mcp add --transport http wingman https://wingmanprotocol.com/mcp

Claude Desktop, Cursor and Continue configs are on /install. A free key (500 calls/month, no card) is on /pricing; beyond that it is x402 pay-per-call in USDC on Base.