Debt Payoff Calculator

Finance REST API MCP

Return a debt payoff plan for several debts using the avalanche (highest rate first) or snowball (lowest balance first) strategy: total months, total interest, total paid, and the order and month each debt is cleared. Minimum payments roll into the extra payment as debts close.

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

Call it over MCP

Tool name findutils:debt_payoff_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": "debt_payoff_calculator",
      "arguments": {
        "debts": [
          {
            "name": "Credit Card 1",
            "balance": 5000,
            "interest_rate": 18.99,
            "minimum_payment": 150
          }
        ],
        "extra_payment": 200
      }
    }
  }'

Input schema

Argument Type Required Description
debts array yes List of debts. Each item: { name?: string, balance: number, interest_rate: number (APR percent), minimum_payment: number }.
extra_payment number no Extra amount paid every month on top of all minimums. Default: 0.
strategy string (avalanche | snowball) no avalanche (highest interest first) or snowball (lowest balance first). Default: avalanche.

Example arguments (verified)

{
  "debts": [
    {
      "name": "Credit Card 1",
      "balance": 5000,
      "interest_rate": 18.99,
      "minimum_payment": 150
    }
  ],
  "extra_payment": 200
}

Also a REST endpoint

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

Open the REST reference for Debt Payoff Calculator →

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