US car loan math: monthly payment, compare loans, max price for your budget, amortization. Free.
Connect Remote server
claude mcp add --transport http car-loan-math https://carloanmath.com/mcp
{
"mcpServers": {
"car-loan-math": {
"url": "https://carloanmath.com/mcp"
}
}
}
{
"servers": {
"car-loan-math": {
"type": "http",
"url": "https://carloanmath.com/mcp"
}
}
}
Settings > Connectors > Add custom connector
URL: https://carloanmath.com/mcp
Tools 4 found in our last check
calculate_auto_loanMonthly payment, amount financed, total interest and total cost for one US car loan. Amount financed = price − down − trade-in + owed on trade-in; sales tax and fees are paid upfront unless tax_and_fees_financed is true, then they are added to the loan. total_cost = cash due at…
compare_auto_loansSide-by-side comparison of 2–4 loan scenarios (e.g. 60 vs 72 months, dealer vs credit-union APR, more down). Each result has a share_url; differences are against the first scenario, plus which is cheapest overall and lowest monthly. When optional inputs are omitted, the result i…
max_vehicle_price_for_budgetReverse calculation: the highest vehicle price whose monthly payment stays within monthly_budget, for one or more terms. Uses the same tax, fee, down payment and trade-in rules as calculate_auto_loan. Each row includes the check calculation and its share_url. When optional input…
amortization_schedulePrincipal, interest and remaining balance over the life of one loan. Yearly summary by default; period 'month' gives every payment (up to 120 rows). When optional inputs are omitted, the result includes assumed_defaults (the values actually used) and a short text line so you can…
Details
| Endpoint | https://carloanmath.com/mcp (Streamable HTTP) |
| First published | 13 Nov 2026 |
| Last updated | 13 Nov 2026 |
| Registry name | com.carloanmath/car-loan-math |
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