MCP server

Epoch Calculator Official

com.epochcalc/epochcalc

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Unix timestamps, DST-aware time zone conversion, durations, cron schedules, and holiday countdowns

Website

At a glance

Type

MCP server

Publisher

epochcalc.com (verified by the MCP Registry)

Status

Working at last check

Tools

8

Token cost

About 1,672 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

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

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.epochcalc]
url = "https://epochcalc.com/mcp"

Gemini CLI

{"mcpServers":{"epochcalc":{"httpUrl":"https://epochcalc.com/mcp"}}}

Cursor

{"mcpServers":{"epochcalc":{"url":"https://epochcalc.com/mcp"}}}

VS Code

{"servers":{"epochcalc":{"type":"http","url":"https://epochcalc.com/mcp"}}}

Antigravity

agy mcp add epochcalc https://epochcalc.com/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"epochcalc","server_url":"https://epochcalc.com/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"epochcalc","server_url":"https://epochcalc.com/mcp"}

Tools

• convert_timestamp ~208 tokens
  Convert a Unix timestamp (seconds or milliseconds; auto-detected unless unit is given) to a human-readable date in a time zone, with ISO 8601, RFC 2822, UTC offset, DST flag, weekday, and a relative phrase like "3 days ago".
• convert_timezone ~208 tokens
  Convert a wall-clock date/time from one IANA time zone to another, correctly across daylight-saving transitions. Returns both sides with offsets, the hour difference at that instant, and whether either zone is on DST.
• cron_next_runs ~219 tokens
  Explain a 5- or 6-field cron expression in plain English and list its next run times in a time zone (as ISO 8601 and Unix timestamps). Use to answer "when does this cron job run next?" or to validate an expression.
• date_duration ~214 tokens
  The exact duration between two dates or date-times: calendar years/months/days, plus total days, hours, minutes and seconds, and the number of weekdays (Mon-Fri). Handles leap years and DST via the IANA database.
• days_until ~197 tokens
  Countdown to a holiday or to a date: days, hours and minutes remaining, and the next occurrence date. Pass an event slug (e.g. "christmas", "thanksgiving", "easter", "super-bowl") or a date (YYYY-MM-DD). Call with no arguments to list the known events.
• epoch_math ~338 tokens
  Add to or subtract from a Unix timestamp in calendar-aware units (years, months, weeks, days, hours, minutes, seconds) in a time zone, e.g. "now + 30 days" or "1748736543 - 3 months". Returns the resulting timestamp in every format.
• parse_datetime ~165 tokens
  Parse a date/time string (ISO 8601, RFC 2822, HTTP date, SQL "YYYY-MM-DD HH:mm:ss", or a Unix timestamp) into a Unix timestamp and a normalized description. Strings without an offset are interpreted in the given time zone.
• time_now ~123 tokens
  The current time: Unix epoch in seconds and milliseconds, ISO 8601, and the local wall-clock time in a given IANA time zone with its current UTC offset and DST status. Use this before any relative date reasoning.

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