Finance

Compound Interest Contribution Timeline Tutor

Explore how contributions, compounding, fees, and inflation shape investment growth year by year.

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Quick start

Call this tool from your code in three languages.

cURL

curl -X POST 'https://api.elysiatools.com/en/api/tools/compound-interest-contribution-timeline-tutor' \
  -H 'Content-Type: application/json' \
  -d '{"initialPrincipal":10000,"monthlyContribution":500,"annualReturnRate":7,"annualFeeRate":0.5,"annualInflationRate":2,"years":10,"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-contribution-timeline-tutor

Parameters

Name	Type	Required	Description
initialPrincipal	number	Yes	—
monthlyContribution	number	Yes	—
annualReturnRate	number	Yes	—
annualFeeRate	number	Yes	—
annualInflationRate	number	Yes	—

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-contribution-timeline-tutor": {
      "name": "compound-interest-contribution-timeline-tutor",
      "description": "Explore how contributions, compounding, fees, and inflation shape investment growth year by year.",
      "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=compound-interest-contribution-timeline-tutor",
      "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-contribution-timeline-tutor",
    "arguments": {
  "initialPrincipal": 10000,
  "monthlyContribution": 500,
  "annualReturnRate": 7,
  "annualFeeRate": 0.5,
  "annualInflationRate": 2,
  "years": 10,
  "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]

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