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Finance

Retirement Calculator

Two-phase retirement model: an accumulation phase (current age to retirement, with monthly contributions and compound growth) and a withdrawal phase (retirement to life expectancy, nest egg grows at a conservative rate while inflation-adjusted withdrawals are taken out). Reports whether the nest egg lasts, real purchasing power, and any shortfall.

html· HTML resultOpen tool

Quick start

Call this tool from your code in three languages.

cURL
curl -X POST 'https://api.elysiatools.com/en/api/tools/retirement-calculator' \
  -H 'Content-Type: application/json' \
  -d '{"currentAge":30,"retirementAge":65,"currentSavings":50000,"monthlyContribution":1000,"preRetirementReturn":7,"inflationRate":3,"lifeExpectancy":90,"monthlyWithdrawal":3000,"postRetirementReturn":4,"decimalPlaces":0}'

API reference

Send a POST request with your inputs as JSON. File parameters require a separate upload first.

Endpoint

HTTP
POST https://api.elysiatools.com/en/api/tools/retirement-calculator

Parameters

NameTypeRequiredDescription
currentAgenumberYes—
retirementAgenumberYes—
currentSavingsnumberYes—
monthlyContributionnumberYes—
preRetirementReturnnumberYes—

MCP integration

Add this tool to your Model Context Protocol server so AI agents can list and call it.

Server configuration

Add this block to your MCP client configuration:

mcp.json
{
  "mcpServers": {
    "elysiatools-retirement-calculator": {
      "name": "retirement-calculator",
      "description": "Two-phase retirement model: an accumulation phase (current age to retirement, with monthly contributions and compound growth) and a withdrawal phase (retirement to life expectancy, nest egg grows at a conservative rate while inflation-adjusted withdrawals are taken out). Reports whether the nest egg lasts, real purchasing power, and any shortfall.",
      "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=retirement-calculator",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

List available tools

After connecting to the SSE endpoint, list the exposed tools:

tools/list
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/list"
}

Call this tool

Invoke the tool by its id, passing arguments built from its parameters:

tools/call
{
  "jsonrpc": "2.0",
  "id": 2,
  "method": "tools/call",
  "params": {
    "name": "retirement-calculator",
    "arguments": {
  "currentAge": 30,
  "retirementAge": 65,
  "currentSavings": 50000,
  "monthlyContribution": 1000,
  "preRetirementReturn": 7,
  "inflationRate": 3,
  "lifeExpectancy": 90,
  "monthlyWithdrawal": 3000,
  "postRetirementReturn": 4,
  "decimalPlaces": 0
}
  }
}
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inflationRate
number
Yes
—
lifeExpectancynumberYes—
monthlyWithdrawalnumberYes—
postRetirementReturnnumberYes—
decimalPlacesnumberNo—

Response format

HTML result

JSON
{
  "result": "<div>Processed HTML content</div>",
  "error": "Error message (optional)",
  "message": "Notification message (optional)",
  "metadata": {
    "key": "value"
  }
}
Chain multiple tools in one session with a comma-separated toolId list, e.g. /mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp (max 20).

Questions or issues? Contact [email protected]