Date Math

インストール

使っているAIアプリを選んで、設定をコピーしてください。

チェック 5/5 合格 · 質問内容は提供元のサーバー（date-math.datemath.workers.dev）を通ります · ✓ コマンド確認済み 2026年11月14日

claude mcp add --transport http --scope user date-math https://date-math.datemath.workers.dev/mcp

{
  "mcpServers": {
    "date-math": {
      "url": "https://date-math.datemath.workers.dev/mcp"
    }
  }
}

{
  "servers": {
    "date-math": {
      "type": "http",
      "url": "https://date-math.datemath.workers.dev/mcp"
    }
  }
}

claude mcp add --scope user date-math -- npx -y date-math-mcp

{
  "mcpServers": {
    "date-math": {
      "command": "npx",
      "args": [
        "-y",
        "date-math-mcp"
      ]
    }
  }
}

{
  "mcpServers": {
    "date-math": {
      "command": "npx",
      "args": [
        "-y",
        "date-math-mcp"
      ]
    }
  }
}

{
  "servers": {
    "date-math": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "date-math-mcp"
      ]
    }
  }
}

使えるアプリ

このサーバーのつなぎ方と、各アプリの公式ドキュメントに基づきます。2026年11月10日に確認。

インターネット経由でつなげるアプリ

ClaudeChatGPTGooseLM StudioMsty StudioCherry StudioCursorVS Code + GitHub CopilotVisual StudioWindsurf (Devin Desktop)ZedKiroClineContinueJetBrains AI AssistantClaude CodeCodex CLIGemini CLIOpenCodenodecodeWarpLibreChatOpen WebUIRaycast

パソコン上で動かせるアプリ

ClaudeGooseLM StudioMsty StudioCherry StudioCursorVS Code + GitHub CopilotVisual StudioWindsurf (Devin Desktop)ZedKiroClineContinueJetBrains AI AssistantClaude CodeCodex CLIGemini CLIOpenCodenodecodeWarpLibreChatRaycast

すべてのアプリと長所・短所 →

できること

ツールの名前と説明は、サーバーが2026年11月14日に返したそのままの内容です。書いたのは作者で、私たちではありません。プレーンテキストとして表示しています。

• date_diff

  How many days, weeks, months or business days between two dates or datetimes: calendar (Y/M/D), totals, and business days (weekdays in [from, to) minus holidays; pass country to exclude its public holidays). Use for age, tenure, countdowns, notice periods and working days until a

• date_add

  Add or subtract years/months/weeks/days/business days/hours/minutes/seconds from a date. Month-end clamping; business days skip weekends, given holidays, and the public holidays of an optional country. Use for due dates, deadlines, delivery estimates, expiry and "N working days f

• timezone_convert

  Convert a time between time zones (IANA names like Asia/Manila, America/New_York), DST-aware. Use for "what time is 3pm Manila in New York", scheduling across zones and UTC offsets. First 25 calls per day are free, then $0.001 per call (x402).

• date_info

  Calendar facts for a date: day of the week, ISO week number, quarter, day of year, leap year, weekend. Use for "what day is", week numbers and fiscal quarters. First 25 calls per day are free, then $0.001 per call (x402).

• public_holidays

  List public holidays (bank holidays, national holidays) for a country and year: 207 countries, 2000–2050. Use for holiday calendars, office closures and checking if a date is a holiday. Lunar or government-proclaimed dates are rule-based estimates. First 25 calls per day are free

• working_hours_overlap

  Find when working hours overlap across time zones: the best meeting times for a distributed or remote team. Per-participant hours optional; skips weekends by default; up to 14 days. First 25 calls per day are free, then $0.001 per call (x402).

• cron_schedule

  Explain a cron expression in plain English and list its next run times in any time zone. Use to check or debug crontab and scheduled-job schedules. First 25 calls per day are free, then $0.001 per call (x402).

• parse_date_text

  Parse natural-language dates and relative times like "next Friday at 3pm", "in 2 weeks", "tomorrow morning" or "Dec 25 to Jan 2" into exact ISO datetimes, relative to a reference time and time zone. Use before acting on any date a user typed. First 25 calls per day are free, then

• city_time

  Find the time zone and current local time in up to 10 cities by name ("Cebu", "São Paulo", "Springfield" + country). 7,000+ cities. Use for "what time is it in" questions and to get the IANA zone the other tools need. First 25 calls per day are free, then $0.001 per call (x402).

• recurring_dates

  Expand a recurring event or iCalendar RRULE ("every 2nd Tuesday", "Mon/Wed until June") into concrete dates and times in a time zone, DST-aware, with optional excluded dates. Use for repeating meetings, calendar invites and schedules. First 25 calls per day are free, then $0.001

• business_hours_deadline

  SLA math in working hours: the deadline N business hours after a start time, or business time elapsed between two times. Use for support-ticket SLAs, response-time targets and office-hours deadlines. Custom hours and workdays, holidays, country public holidays, DST-aware. First 2

• business_day

  Is a date a business day? If not, why (weekend, or which public holiday). Also the next and previous business day, and the month's business-day count, first and last business day. Use for office-open checks, shipping cut-offs, settlement dates. Country holidays, custom holidays a

• pay_dates

  Upcoming pay or billing dates for monthly, semi-monthly (e.g. 15th and last day), biweekly or weekly schedules, moved off weekends and public holidays (to the previous, next or nearest business day). Use for payroll calendars, invoice due dates and recurring billing. First 25 cal

• stay_calculator

  Rolling stay-limit math such as the Schengen 90/180 rule: days used in the window, days left, overstay check, the longest stay allowed from a planned entry date, and the next date a full stay is possible. Entry and exit days both count. Custom rules via max_days/window_days. Use

• timestamp_normalize

  Detect and convert up to 100 mixed timestamps to UTC ISO 8601: Unix seconds/ms/µs/ns, Excel serial dates, Windows FILETIME, ISO 8601, RFC 2822, YYYY/MM/DD, month-name dates. Flags ambiguous values (03/04/2026: March 4 or 3 April? 45000: Excel date or Unix seconds?) with alternati

• dst_check

  Daylight saving time for a time zone: does it observe DST, the year's exact clock changes (UTC instant, local before/after), and whether a local time is valid, skipped (spring-forward gap, e.g. 02:30) or repeated (fall-back, happens twice). Use before scheduling jobs, alarms or m

• sla_countdown

  Live SLA clock for a support ticket: business minutes elapsed and remaining, breached or not, and the deadline. The clock pauses outside working hours, on weekends and holidays, and during manual pauses (e.g. waiting on customer). Custom hours, workdays, country holidays, DST-awa

• find_free_slots

  Find meeting times when everyone is free: intersects each participant's working hours (own time zone, workdays, country holidays) minus their busy blocks, then lists slots of the requested length. Up to 10 people, 14 days, optional buffer between meetings. Use for scheduling acro

• subscription_dates

  Subscription and contract date math: current billing period, next renewal, upcoming renewals, cancel-by date for a notice period, free-trial start, and day-based proration of a price. Month-end anchors stay at month end (Jan 31, Feb 28, Mar 31). Use for SaaS billing, renewals, ca

• market_calendar

  Stock exchange calendar for NYSE/Nasdaq, London (LSE) and Tokyo (JPX): is the market open now, today's session (early closes, lunch break), next open and close, holidays, previous/next trading day, and the trade settlement date (T+1/T+2). Use for trading agents, order timing and

• date_range

  Turn a reporting period into exact start and end dates and times in a time zone: "last month", "this quarter", "YTD", "MTD", "last 7 days", "next 2 weeks", "2026-Q3", "2026-W14". Optional comparison period (previous period, or same period last year), fiscal years starting in any

• business_day_schedule

  Job schedules that skip weekends and public holidays, which cron cannot express: "3rd business day of the month at 09:00", "last business day", "every Monday, or the next business day if it is a holiday", or any cron with a holiday rule. Returns the next runs and whether it runs

• time_buckets

  Split a time range into minute, hour, day, week, month, quarter or year buckets with exact start and end times in a time zone. DST-aware (23- and 25-hour days, repeated and skipped hours), ISO or Sunday/Saturday weeks, fiscal quarters, partial first and last buckets flagged or cl

• current_time

  Free: the current date, time, weekday and UTC offset in up to 10 time zones, plus UTC and Unix time. Use when today's date or the current time is needed. Does not use the daily free calls.

基本チェックi

誰でも見られる情報をチェックしており、コードは読んでいません。当てはまらない項目は数に入れていません。 · 2026年11月15日にチェック

• ✓ 合格

  作者とリポジトリが一致

  レジストリ名は、リポジトリを所有するGitHubアカウント JowenDelaPena で確認済みです

• ✓ 合格

  今もメンテナンスされている

  コードの最終更新：4 日前

• ✓ 合格

  ライセンスがある

  MITを使用

• ✓ 合格

  エンドポイントが応答する

  591ミリ秒で応答（HTTP 200）

• – 対象外

  OAuthでサインイン

  サインイン不要

• ✓ 合格

  ツールの説明に隠れた指示がない

  24件のツールの説明を読み、AIへの隠れた指示は見つかりませんでした

確認していること → · JSON

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その他のほかのサーバーとの比較i

• このカテゴリのほかの19883件のうち86%よりスターが多い
• このカテゴリのほかの19883件のうち90%より最近レジストリに公開
• 基本チェックの結果が、このカテゴリのほかの19883件のうち100%と同じかそれ以上

レジストリでこのカテゴリにある有効なすべてのサーバーと比較しています。スターは、公開者がリポジトリの所有者である場合だけ数えます。

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作者のREADME

claude mcp add --transport http date-math https://date-math.datemath.workers.dev/mcp

{ "mcpServers": { "date-math": { "command": "npx", "args": ["-y", "date-math-mcp"] } } }

{ "mcpServers": { "date-math": { "url": "https://date-math.datemath.workers.dev/mcp" } } }

{ "servers": { "date-math": { "type": "http", "url": "https://date-math.datemath.workers.dev/mcp" } } }

{ "mcpServers": { "date-math": { "serverUrl": "https://date-math.datemath.workers.dev/mcp" } } }

{ "mcpServers": { "date-math": { "type": "streamableHttp", "url": "https://date-math.datemath.workers.dev/mcp" } } }

import { createMCPClient } from "@ai-sdk/mcp";

from langchain_mcp_adapters.client import MultiServerMCPClient

from agents import Agent, Runner

from crewai import Agent

# Unpaid call → HTTP 402 with payment terms in the PAYMENT-REQUIRED header

import { wrapFetchWithPaymentFromConfig } from "@x402/fetch";