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mcp-datetime

★ 31 Open GitHub ↗

A MCP server for datetime formatting and file name generation.

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# mcp-datetime

[![Python Version](https://img.shields.io/badge/python-3.12-blue.svg)](https://www.python.org/downloads/)
[![MCP Version](https://img.shields.io/badge/mcp-1.1.1-green.svg)](https://github.com/anaisbetts/mcp)
[![License](https://img.shields.io/badge/license-MIT-blue.svg)](https://raw.githubusercontent.com/ZeparHyfar/mcp-datetime/main/LICENSE)

English | [日本語](README_ja.md)

A datetime formatting service implemented as an MCP server for the Claude Desktop Application. Supports generation of datetime strings in various formats.

> **Note**: This package has been tested only on macOS. Windows compatibility has not been verified.

## Prerequisites

Before using mcp-datetime, ensure you have the following tools installed:

- Python 3.12 or later
- uv (Python package installer)
- uvx (Python package runner)

## Features

- ✨ Support for various datetime formats
- 🇯🇵 Japanese language support
- 📁 Optimized formats for filename generation
- 🌏 Accurate timezone handling
- 🔧 Seamless integration with Claude Desktop App

## MCP Server Components

### Tools

The server implements one tool:

- `get_datetime`: Get current date and time in various formats
  - Takes "format" as a required string argument
  - Returns formatted datetime string based on specified format
  - Supports multiple format types including standard, Japanese, and ISO formats

## Usage with Claude Desktop App

Add the following to your config file:

Config file location (macOS):
`~/Library/Application Support/Claude/claude_desktop_config.json`

```json
{
  "mcpServers": {
    "mcp-datetime": {
      "command": "uvx",
      "args": ["mcp-datetime"]
    }
  }
}
```

## About Installation

If you need to install the package directly (e.g., for development or source code inspection), you can use one of these methods:

- Install from PyPI

```bash
  pip install mcp-datetime
  ```

- Install from GitHub Source

```bash
  git clone https://github.com/ZeparHyfar/mcp-datetime.git
  cd mcp-datetime
  pip install -e .
  ```

- Example `claude_desktop_config.json` for manual installation

```json
  {
    "mcpServers": {
      "mcp-datetime": {
        "command": "python",
        "args": ["-m", "mcp_datetime"],
        "env": {
          "PYTHON": "/path/to/your/python"
        }
      }
    }
  }
  ```

Replace "/path/to/your/python" with your actual Python interpreter path
  > e.g., "/usr/local/bin/python3" or "/Users/username/.pyenv/versions/3.12.0/bin/python3"

## Basic Examples

- Command format

```
  # Standard datetime format
  call datetime-service.get_datetime {"format": "datetime"}
  # Result: 2024-12-10 00:54:01

# Japanese format
  call datetime-service.get_datetime {"format": "datetime_jp"}
  # Result: 2024年12月10日 00時54分01秒

# Filename format
  call datetime-service.get_datetime {"format": "filename_md"}
  # Result: 20241210005401.md
  ```

- Claude Desktop App prompt examples

- User

```
    Please tell me the current time in date_slash format
    ```

- Claude

```
    I'll get the current date in date_slash format.

The current date is 2024/12/12
    ```

## Supported Formats

| Format Name  | Example                     | Description                  |
| ------------ | --------------------------- | ---------------------------- |
| date         | 2024-12-10                  | Standard date format         |
| date_slash   | 2024/12/10                  | Date with slashes            |
| date_jp      | 2024年12月10日              | Japanese date format         |
| datetime     | 2024-12-10 00:54:01         | Standard datetime            |
| datetime_jp  | 2024年12月10日 00時54分01秒 | Japanese datetime            |
| datetime_t   | 2024-12-10T00:54:01         | DateTime with T separator    |
| compact      | 20241210005401              | Compact format for IDs       |
| compact_date | 20241210                    | Compact date only            |
| compact_time | 005401                      | Compact time only            |
| filename_md  | 20241210005401.md           | Markdown filename            |
| filename_txt | 20241210005401.txt          | Text filename                |
| filename_log | 20241210005401.log          | Log filename                 |
| iso          | 2024-12-10T00:54:01+0900    | ISO 8601 format              |
| iso_basic    | 20241210T005401+0900        | Basic ISO format             |
| log          | 2024-12-10 00:54:01.123456  | Log format with microseconds |
| log_compact  | 20241210_005401             | Compact log format           |
| time         | 00:54:01                    | Time only                    |
| time_jp      | 00時54分01秒                | Japanese time format         |

## Debugging

Since MCP servers run over stdio, debugging can be challenging. We recommend using the [MCP Inspector](https://github.com/modelcontextprotocol/inspector):

- Using PyPI package

```
  npx @modelcontextprotocol/inspector uvx mcp-datetime
  ```

- Using downloaded source code from GitHub

```
  git clone https://github.com/ZeparHyfar/mcp-datetime.git
  npx @modelcontextprotocol/inspector uvx --directory ./mcp-datetime run mcp-datetime
  ```

## License

This project is licensed under the MIT License - see the [LICENSE](LICENSE) file for details.

mcp-datetime

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