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Chronos MCP Server

@aadversteeg

Repository

Basic information

Category

Other

License

MIT

Transports

stdio

Author

aadversteeg

About Chronos MCP Server

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

Chronos MCP Server 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"
      ]
    }
  }
}

Chronos MCP Server tools

Tool list not available yet

This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.

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

Frequently asked questions

1

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).

2

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).

3

What runtime dependencies are required?

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

4

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`.

5

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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