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 HTTP endpoint POST /api/tools/age-calculate/execute. See the MCP reference →

Use in the browser View as Markdown

Call it over REST

POST https://api.findutils.com/api/tools/age-calculate/execute · no API keys · 60 requests/min per IP

Execute — verified arguments

curl -X POST https://api.findutils.com/api/tools/age-calculate/execute \
  -H "Content-Type: application/json" \
  -d '{
    "date_of_birth": "1990-06-15",
    "reference_date": "2026-04-18"
  }'

Parameter schema for this endpoint

curl https://api.findutils.com/api/tools/age-calculate

Interactive docs · OpenAPI 3.1 spec · All REST tools

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 an MCP tool

Claude, Cursor, and any MCP client can call this tool as findutils:age_calculate after one connect command.

Connect once

claude mcp add findutils --transport http https://mcp.findutils.com/

Open the MCP reference for Age Calculate →

More Datetime tools

Career Experience Calculator

Calculate total professional experience across several jobs: total days, years/months/days, weeks, working days (5/7), working hours (8 per

Country Lookup

Return country facts — capital, currency (name, code, symbol), phone code, timezone, region, subregion, flag emoji, and languages — for coun

Cron Describe

Parse a 5- or 6-field cron expression and produce a human-readable description.

Date Difference

Compute the difference between two dates in years/months/weeks/days/hours/minutes/seconds.

Date Difference Calculator

Calculate the difference between two dates in various units.

Relationship Calculator

Calculate how long a relationship has lasted between a start date and a target date: years/months/days, totals in days, weeks, months, hours

Timezone Convert

Convert a datetime between IANA time zones.

Unix Timestamp Convert

Convert between Unix timestamps and ISO dates.