Size an annuity payout against retirement need

Work out an annuity's present and future value, then check it against a standard retirement-savings projection.

Workflow

Step 1 of 3

Annuity Present / Future Value

Calculate present or future value of a stream of annuity payments.

annuity({"payment": 80000, "rate": 0.07, "periods": 10})

Step 2 of 3

Time Value of Money Solver

Cross-check the payment math with a general time-value-of-money solve.

tvm({"solve_for": "pv"})

Step 3 of 3

Retirement Savings Calculator

Compare the annuity's payout against a retirement-savings projection.

retirement({"current_age": 35, "retirement_age": 35})

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.