Inflation Calculator

Finance REST API MCP

Return what an amount of money from one year is worth in another year using historical CPI data, with total inflation, average yearly inflation, and the change in purchasing power (all in percent). USD covers 1913-2025 (BLS); TRY covers 2003-2025 (TÜİK).

This page documents the MCP tool findutils:inflation_calculator. See the REST reference →

Call it over MCP

Tool name findutils:inflation_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": "inflation_calculator",
      "arguments": {
        "amount": 100,
        "from_year": 2000,
        "to_year": 2025,
        "currency": "USD"
      }
    }
  }'

Input schema

Argument Type Required Description
amount number yes Amount of money in the from_year.
from_year integer yes Start year.
to_year integer yes End year. May be earlier than from_year.
currency string (USD | TRY) no CPI series: USD or TRY. Default: USD.

Example arguments (verified)

{
  "amount": 100,
  "from_year": 2000,
  "to_year": 2025,
  "currency": "USD"
}

Also a REST endpoint

The same tool answers plain HTTP at POST /api/tools/inflation-calculator/execute — no key, 60 requests/min.

Open the REST reference for Inflation Calculator →

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