Chronos MCP Server

Name: Chronos MCP Server
Author: aadversteeg

@aadversteeg

Repository

About Chronos MCP Server

Simple .NET Core based mcp server for retrieving the current time.

Basic information

Config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "chronos-mcp-server": {
      "command": "docker",
      "args": [
        "pull",
        "aadversteeg/chronos-mcp-server:latest"
      ]
    }
  }
}

Tools

No tools detected

We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.

Overview

What is Chronos MCP Server?

Chronos MCP Server is a time-related server implementing the Model Context Protocol (MCP), providing timezone-aware date and time information. Built with .NET Core using the MCP C# SDK, it is designed for developers who need timezone-aware date/time data in MCP-compatible clients.

How to use Chronos MCP Server?

Install as a .NET global tool (dotnet tool install --global Ave.McpServer.Chronos) and run ave-mcpserver-chronos, or use Docker (docker pull aadversteeg/chronos-mcp-server:latest). Optional default timezone configuration is set via appsettings.json or the DefaultTimeZoneId environment variable. Invoke the get_current_date_and_time tool with an optional timezoneId parameter, or get_default_timezone_id to retrieve the configured default.

Key features of Chronos MCP Server

Get current date and time in any supported timezone
Optional default timezone via configuration or environment variable
Proper error handling for invalid timezone requests
Functional error handling using the Result pattern
Available as .NET tool, Docker image, or from source
Provides two tools: get_current_date_and_time and get_default_timezone_id

Use cases of Chronos MCP Server

Retrieve current date and time in a specific timezone for an application
Check the configured default timezone of the server
Deploy as a lightweight containerized time service
Use as a demonstration of building a custom MCP server with .NET

FAQ from Chronos MCP Server

What tools does Chronos MCP Server provide?

It provides get_current_date_and_time (returns date, time, and timezone) and get_default_timezone_id (returns the configured default timezone or an error if not set).

How do I configure a default timezone?

Set DefaultTimeZoneId in the appsettings.json file or via the DefaultTimeZoneId environment variable (e.g., -e "DefaultTimeZoneId=Europe/Amsterdam" for Docker).

What runtime dependencies are required?

For .NET tool installation you need .NET 10 SDK; for Docker deployment you need Docker only.

Can I use the server without a default timezone?

Yes. If no default timezone is configured, the timezoneId parameter is required for each call to get_current_date_and_time.

Where is the Docker image hosted?

The Docker image is available on DockerHub at aadversteeg/chronos-mcp-server with latest and versioned tags.

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