Age Calculate

Datetime REST API MCP

Calculate age from a date of birth — years, months, days, plus totals in days, weeks, and months. Accepts ISO 8601 or anything Date.parse handles.

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

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Call it over MCP

Tool name findutils:age_calculate · 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": "age_calculate",
      "arguments": {
        "date_of_birth": "1990-06-15",
        "reference_date": "2026-04-18"
      }
    }
  }'

Input schema

Argument	Type	Required	Description
date_of_birth	string	yes	Date of birth (ISO 8601 preferred, e.g. 1990-04-18).
reference_date	string	no	Date to measure age against. Default: today (UTC).

Example arguments (verified)

{
  "date_of_birth": "1990-06-15",
  "reference_date": "2026-04-18"
}

Also a REST endpoint

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

Open the REST reference for Age Calculate →

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