Home Affordability Calculator

Finance REST API MCP

Return the maximum home price you can afford from income, monthly debts, down payment percent, rate, term, property tax, insurance, HOA, and a debt-to-income ratio, with the monthly payment breakdown at that price. Rates are yearly percentages.

This page documents the MCP tool findutils:home_affordability_calculator. See the REST reference →

Call it over MCP

Tool name findutils:home_affordability_calculator · no API keys · 120 requests/min per IP

Claude Code

claude mcp add findutils --transport http https://mcp.findutils.com/

Claude Desktop — claude_desktop_config.json

{
  "mcpServers": {
    "findutils": {
      "url": "https://mcp.findutils.com/"
    }
  }
}

Raw JSON-RPC (any MCP client) — verified example

curl -X POST https://mcp.findutils.com/ \
  -H "Content-Type: application/json" \
  -d '{
    "jsonrpc": "2.0",
    "id": 1,
    "method": "tools/call",
    "params": {
      "name": "home_affordability_calculator",
      "arguments": {
        "annual_income": 100000,
        "monthly_debts": 500,
        "down_payment_percent": 20,
        "interest_rate": 6.5,
        "loan_term_years": 30,
        "dti_ratio": 36
      }
    }
  }'

Input schema

Argument Type Required Description
annual_income number yes Gross yearly income. Must be > 0.
monthly_debts number no Other monthly debt payments. Default: 0.
down_payment_percent number no Down payment as a percent of the price. Must be < 100. Default: 20.
interest_rate number no Yearly mortgage rate in percent. Default: 6.5.
loan_term_years integer no Loan term in years. Default: 30.
property_tax_rate number no Yearly property tax as a percent of the price. Default: 1.2.
insurance_annual number no Yearly home insurance. Default: 1500.
hoa_monthly number no Monthly HOA dues. Default: 0.
dti_ratio number no Debt-to-income ratio in percent (28, 36, or 43 are common). Default: 36.

Example arguments (verified)

{
  "annual_income": 100000,
  "monthly_debts": 500,
  "down_payment_percent": 20,
  "interest_rate": 6.5,
  "loan_term_years": 30,
  "dti_ratio": 36
}

Also a REST endpoint

The same tool answers plain HTTP at POST /api/tools/home-affordability-calculator/execute — no key, 60 requests/min.

Open the REST reference for Home Affordability Calculator →

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