Savings Calculator

Finance REST API MCP

Return the future value of savings with compound interest and monthly contributions: total value, total contributions, total interest, and a year-by-year table of balance, cumulative contributions, and interest earned that year. Rate is a yearly percentage.

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

Call it over MCP

Tool name findutils:savings_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": "savings_calculator",
      "arguments": {
        "initial_deposit": 10000,
        "monthly_contribution": 500,
        "interest_rate": 5,
        "years": 10,
        "compound_frequency": 12
      }
    }
  }'

Input schema

Argument Type Required Description
initial_deposit number no Starting balance. Default: 0.
monthly_contribution number no Amount added every month. Default: 0.
interest_rate number yes Yearly interest rate in percent (5 = 5%).
years integer yes Saving period in years.
compound_frequency integer (1 | 2 | 4 | 12 | 365) no Times per year the deposit compounds: 1, 2, 4, 12, or 365. Default: 12.

Example arguments (verified)

{
  "initial_deposit": 10000,
  "monthly_contribution": 500,
  "interest_rate": 5,
  "years": 10,
  "compound_frequency": 12
}

Also a REST endpoint

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

Open the REST reference for Savings Calculator →

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