Finance
Calculate annuity payments, present value, and future value
Call this tool from your code in three languages.
curl -X POST 'https://api.elysiatools.com/en/api/tools/annuity-calculator' \
-H 'Content-Type: application/json' \
-d '{"paymentAmount":1000,"interestRate":5,"years":20,"periodsPerYear":"12","calculationType":"future-value","presentValue":0,"futureValue":0}'Send a POST request with your inputs as JSON. File parameters require a separate upload first.
POST https://api.elysiatools.com/en/api/tools/annuity-calculator| Name | Type | Required | Description |
|---|---|---|---|
| paymentAmount | number | Yes | — |
| interestRate | number | Yes | — |
| years | number | Yes | — |
| periodsPerYear | select | Yes | — |
| calculationType | select | Yes | — |
| presentValue |
Add this tool to your Model Context Protocol server so AI agents can list and call it.
Add this block to your MCP client configuration:
{
"mcpServers": {
"elysiatools-annuity-calculator": {
"name": "annuity-calculator",
"description": "Calculate annuity payments, present value, and future value",
"baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=annuity-calculator",
"command": "",
"args": [],
"env": {},
"isActive": true,
"type": "sse"
}
}
}After connecting to the SSE endpoint, list the exposed tools:
{
"jsonrpc": "2.0",
"id": 1,
"method": "tools/list"
}Invoke the tool by its id, passing arguments built from its parameters:
{
"jsonrpc": "2.0",
"id": 2,
"method": "tools/call",
"params": {
"name": "annuity-calculator",
"arguments": {
"paymentAmount": 1000,
"interestRate": 5,
"years": 20,
"periodsPerYear": "12",
"calculationType": "future-value",
"presentValue": 0,
"futureValue": 0
}
}
}Questions or issues? Contact [email protected]
| number |
| No |
| — |
| futureValue | number | No | — |
JSON result
{
"key": {...},
"metadata": {
"key": "value"
},
"error": "Error message (optional)",
"message": "Notification message (optional)"
}