Time Node MCP Server

A Model Context Protocol (MCP) server that provides timezone-aware date and time operations. This server addresses the common issue where AI assistants provide incorrect date information due to timezone confusion.

Features

• Accurate timezone handling - Get current time in any IANA timezone
• Time conversion - Convert time between different timezones
• Multiple formats - ISO 8601, localized, and human-readable formats
• System timezone detection - Automatically detect system timezone
• DST awareness - Correctly handles Daylight Saving Time transitions
• Date utilities - Get current date with day-of-week information

Installation

Prerequisites

• Node.js 18.0.0 or higher
• npm or yarn

Install and Build

# Clone or download the project
cd time-node-mcp

# Install dependencies
npm install

# Build the TypeScript code
npm run build

Usage with Claude Desktop

Add the following configuration to your Claude Desktop settings file:

macOS

~/Library/Application Support/Claude/claude_desktop_config.json

Windows

%APPDATA%\Claude\claude_desktop_config.json

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

Replace /path/to/time-node-mcp/ with the actual path to your installation directory.

Available Tools

1. get_current_time

Get the current date and time in a specific timezone.

Parameters:

• timezone (required): IANA timezone identifier (e.g., “America/New_York”, “Europe/London”)
• format (optional): Output format - “iso”, “local”, or “full” (default: “iso”)

Example:

{
  "timezone": "America/New_York",
  "format": "full"
}

2. convert_time

Convert time from one timezone to another.

Parameters:

• sourceTimezone (required): Source IANA timezone identifier
• targetTimezone (required): Target IANA timezone identifier
• time (required): Time in HH:MM or HH:MM:SS format (24-hour)
• date (optional): Date in YYYY-MM-DD format (uses current date if not provided)

Example:

{
  "sourceTimezone": "America/New_York",
  "targetTimezone": "Europe/London",
  "time": "14:30",
  "date": "2024-08-12"
}

3. get_system_timezone

Get the system’s current timezone with current time information.

Parameters: None

4. get_current_date

Get the current date in a specific timezone with day-of-week information.

Parameters:

• timezone (required): IANA timezone identifier
• includeTime (optional): Whether to include time information (default: false)

Example:

{
  "timezone": "Asia/Tokyo",
  "includeTime": true
}

Development

Scripts

# Build the project
npm run build

# Build and watch for changes
npm run dev

# Run the server directly (after building)
npm start

# Lint the code
npm run lint

# Type check
npm run typecheck

Project Structure

time-node-mcp/
├── src/