Finance

Daily Compound Interest Calculator

Calculate compound interest with daily compounding for savings and investments

json· JSON resultOpen tool

Quick start

Call this tool from your code in three languages.

cURL

curl -X POST 'https://api.elysiatools.com/en/api/tools/compound-interest-daily' \
  -H 'Content-Type: application/json' \
  -d '{"principal":10000,"annualRate":5,"years":10,"monthlyContribution":500,"contributionTiming":"beginning"}'

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/compound-interest-daily

Parameters

Name	Type	Required	Description
principal	number	Yes	—
annualRate	number	Yes	—
years	number	Yes	—
monthlyContribution	number	Yes	—
contributionTiming	select	Yes	—

Response format

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-compound-interest-daily": {
      "name": "compound-interest-daily",
      "description": "Calculate compound interest with daily compounding for savings and investments",
      "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=compound-interest-daily",
      "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": "compound-interest-daily",
    "arguments": {
  "principal": 10000,
  "annualRate": 5,
  "years": 10,
  "monthlyContribution": 500,
  "contributionTiming": "beginning"
}
  }
}

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]

Browse tools Open tool

curl -X POST 'https://api.elysiatools.com/en/api/tools/compound-interest-daily' \ -H 'Content-Type: application/json' \ -d '{"principal":10000,"annualRate":5,"years":10,"monthlyContribution":500,"contributionTiming":"beginning"}'

Name

Type

Required

Description

principal

number

Yes

—

annualRate

number

Yes

—

years

number

Yes

—

monthlyContribution

number

Yes

—

contributionTiming

select

Yes

—

{ "mcpServers": { "elysiatools-compound-interest-daily": { "name": "compound-interest-daily", "description": "Calculate compound interest with daily compounding for savings and investments", "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=compound-interest-daily", "command": "", "args": [], "env": {}, "isActive": true, "type": "sse" } } }

{ "jsonrpc": "2.0", "id": 2, "method": "tools/call", "params": { "name": "compound-interest-daily", "arguments": { "principal": 10000, "annualRate": 5, "years": 10, "monthlyContribution": 500, "contributionTiming": "beginning" } } }