Return the projected savings at retirement, the amount needed to fund an inflation-adjusted monthly income until life expectancy, the gap or surplus, whether you are on track, the extra monthly saving needed, and the 4%-rule sustainable monthly withdrawal. Rates are yearly percentages.
This page documents the MCP tool findutils:retirement_calculator. See the REST reference →
Call it over MCP
Tool name findutils:retirement_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": "retirement_calculator",
"arguments": {
"current_age": 30,
"retirement_age": 65,
"current_savings": 50000,
"monthly_contribution": 1000,
"expected_return": 7,
"inflation_rate": 3,
"desired_monthly_income": 5000,
"life_expectancy": 90
}
}
}'Input schema
| Argument | Type | Required | Description |
|---|---|---|---|
| current_age | integer | yes | Current age in years. |
| retirement_age | integer | yes | Planned retirement age. Must be greater than current_age. |
| current_savings | number | no | Retirement savings today. Default: 0. |
| monthly_contribution | number | no | Amount saved every month. Default: 0. |
| expected_return | number | no | Expected yearly return in percent. Default: 7. |
| inflation_rate | number | no | Yearly inflation in percent. Default: 3. |
| desired_monthly_income | number | yes | Monthly income wanted in retirement, in today's money. |
| life_expectancy | integer | no | Age the money must last to. Must be greater than retirement_age. Default: 90. |
Example arguments (verified)
{
"current_age": 30,
"retirement_age": 65,
"current_savings": 50000,
"monthly_contribution": 1000,
"expected_return": 7,
"inflation_rate": 3,
"desired_monthly_income": 5000,
"life_expectancy": 90
}Also a REST endpoint
The same tool answers plain HTTP at
POST /api/tools/retirement-calculator/execute — no key, 60 requests/min.
More Finance tools
Amortization Calculator
Return a full loan amortization schedule (one row per month with payment, principal, interest, extra payment, balance) plus totals, interest
Auto Loan Calculator
Return the monthly car payment, total interest, financed amount, and a month-by-month amortization schedule for an auto loan.
Break Even Calculator
Return the break-even point of a product or business: contribution margin, contribution margin ratio, break-even units and revenue, plus the
Business Loan Calculator
Return the monthly payment, total interest, origination fee, effective yearly rate (interest plus fees), a yearly summary, and a full monthl
Compound Interest
Compute compound interest growth.
Credit Card Payoff Calculator
Return how long a credit card balance takes to pay off at a fixed monthly payment (mode "payment"), or the payment needed to clear it in a t
Credit Card Validate
Validate a credit card number with the Luhn checksum and detect the brand.
Debt Payoff Calculator
Return a debt payoff plan for several debts using the avalanche (highest rate first) or snowball (lowest balance first) strategy: total mont