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Personal Financeintermediate3-step workflow~18 min

Decide rent vs. buy and check the tax effect

Compare total cost of renting vs. buying, check the tax-bracket effect of mortgage interest, then see the net-worth impact.

Workflow

Step 1 of 3

Rent vs Buy Calculator

Compare total cost of renting vs. buying over a holding period.

rent_vs_buy({"home_price": 400000, "monthly_rent": 100})
Step 2 of 3

Progressive Tax Calculator

Estimate the marginal tax bracket the mortgage-interest deduction offsets.

tax_bracket({"income": 85000, "brackets": []})
Step 3 of 3

Net Worth Calculator

Check how the purchase decision shifts current assets and debts.

net_worth({"cash": 100, "investments": 100, "retirement_accounts": 100})

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.