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Notifications MCP Server
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Notifications MCP Server

A lightweight MCP server that provides auditory and visual notification functions for Claude Desktop on macOS, including prompt sounds and desktop notifications when tasks start and end.
Developer toolsOperating system automation#Notification system#macOS tool#Claude plugin#Sound prompt.Python
2.5 points
14

What is the Claude Notification Server?

The Claude Notification Server is a lightweight notification server that informs you via sound and desktop notifications when Claude Desktop starts processing a request and when the task is completed.

How to use the Claude Notification Server?

Simply follow the steps below to install and configure the server and you're ready to go.

Applicable scenarios

Suitable for users who need to know the real - time status of Claude Desktop tasks.

Main features

Audio notificationsProvide different sound notifications when a task starts and ends.
Visual notificationsProvide visual notifications through the macOS Notification Center.
Customizable notificationsSupport customizing sounds and icons.
Multiple notification methodsSupport multiple notification methods and provide an automatic fallback mechanism.

Advantages and limitations

Advantages
Lightweight design, easy to install and use.
Compatible with macOS system sound files (.aiff).
Support multiple notification methods to ensure at least one method is available.
Support environment variables for personalized settings.
Provide test scripts for easy problem diagnosis.
Limitations
Limited to the macOS platform.
Requires Python 3.8 or higher.
May require manual adjustment of system permissions to enable the notification function.

How to use

Clone the project repository
Use Git to clone the project repository to your local machine.
Install dependencies
Install the required Python packages and the uv tool.
Start the server
Run the server and test its functionality.
Configure Claude Desktop
Add the notification server path to the Claude Desktop configuration.

Usage examples

Test the notification functionRun the test script to verify that all notification methods are working properly.
Customize notification soundsSet custom sound files through environment variables.

Frequently Asked Questions

Why aren't my notifications working properly?
How can I change the notification sound?
Can I use this server on other operating systems?

Related resources

Official GitHub repository
Get the latest version and documentation.
Claude Desktop official website
Learn more about Claude Desktop.
macOS built - in sound files
List all available sound files.
Installation
Copy the following command to your Client for configuration
{
     "mcpServers": [
       {
         "notify-user": {
           "command": "uv",
           "args": [
             "run",
             "--with",
             "fastmcp",
             "fastmcp",
             "run",
             "/path/to/server.py"
           ]
         }
       }
     ]
   }
Note: Your key is sensitive information, do not share it with anyone.
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