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Works with

Claude CodeClaude DesktopCursorVS CodeClineCodex CLIOpenClaw+ any MCP client

Install to Claude Code

This server doesn't publish a one-line install command. Follow the setup in the source repository.

Summary

Provides current date and time information in multiple formats, timezone conversion, date/time differences, and date calculations.

README.md

Date MCP Server

現在時刻を提供するMCP (Model Context Protocol) サーバーです。AIエージェントが「最近の」「今の」などの時制を正しく理解できるよう、詳細な時刻情報を提供します。

機能

  • 現在の日時を複数のフォーマットで提供
  • タイムゾーンの変換をサポート
  • 指定された日時と現在時刻の差を計算
  • 詳細な時刻コンポーネント(年、月、日、時、分、秒など)を提供

インストール

npm install
npm run build

使用方法

開発モード

npm run dev

ビルド済みバージョンの実行

npm start

利用可能なツール

get_current_time

現在の日時を取得します。

パラメータ:

  • timezone (オプション): タイムゾーン(例: "Asia/Tokyo", "America/New_York")
  • locale (オプション): ロケール(例: "ja-JP", "en-US"、デフォルト: "ja-JP")

戻り値の例: ``json { "current": { "iso": "2025-07-09T10:30:00.000Z", "unix": 1741685400, "human": "2025年7月9日水曜日 19:30:00 日本標準時", "milliseconds": 1741685400000 }, "timezone": { "system": "Asia/Tokyo", "requested": "Asia/Tokyo", "offset": -540 }, "components": { "year": 2025, "month": 7, "day": 9, "hour": 19, "minute": 30, "second": 0, "dayOfWeek": 3, "weekOfYear": 28 }, "context": { "isWeekend": false, "quarter": 3, "dayOfYear": 190, "daysInMonth": 31 } } ``

calculate_date

現在または指定された日時から、指定された期間だけ前後の日時を計算します。

パラメータ:

  • amount (必須): 加算・減算する数値(正の値で未来、負の値で過去)
  • unit (必須): 時間の単位("seconds", "minutes", "hours", "days", "weeks", "months", "years")
  • base_date (オプション): 基準となる日時(ISO 8601形式)。指定しない場合は現在時刻を使用
  • locale (オプション): ロケール(例: "ja-JP", "en-US"、デフォルト: "ja-JP")

使用例:

  • 1日後: {"amount": 1, "unit": "days"}
  • 3日前: {"amount": -3, "unit": "days"}
  • 6時間後: {"amount": 6, "unit": "hours"}
  • 2週後: {"amount": 2, "unit": "weeks"}
  • 8年前: {"amount": -8, "unit": "years"}

get_time_difference

指定された日時と現在時刻の差を計算します。

パラメータ:

  • target_date (必須): 比較対象の日時(ISO 8601形式)
  • unit (オプション): 表示する単位("seconds", "minutes", "hours", "days", "all"、デフォルト: "all")

Claude Codeでの設定

Claude Codeの設定ファイルに以下を追加します:

{
  "mcpServers": {
    "date-mcp": {
      "command": "node",
      "args": ["/path/to/date-mcp/dist/index.js"]
    }
  }
}

ライセンス

MIT

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