Signal
Signal MCP is an integration tool based on signal - cli that enables AI agents to send and receive messages through Signal.
2.5 points
8.5K

What is the Signal MCP Server?

The Signal MCP Server is a tool that allows AI agents to send and receive messages through the Signal platform. It is based on the Model Context Protocol (MCP) and provides powerful asynchronous communication capabilities and detailed logging.

How to use the Signal MCP Server?

First, ensure that the Signal CLI tool is installed and configured. Then, run the server script and specify your phone number to start sending and receiving messages.

Applicable Scenarios

Suitable for application scenarios that require cross - platform instant messaging, such as customer service systems, notification services, or personal chatbots.

Main Features

Send Messages to Users
Supports sending direct messages to any Signal user.
Send Messages to Groups
Can send messages to specified Signal groups.
Receive Messages
Supports real - time receiving and parsing of messages from Signal with time - limit processing.
Detailed Logs
Provides comprehensive logging functionality for easy debugging and monitoring.
Advantages
Supports multiple message delivery methods (personal and group).
Has asynchronous communication capabilities to improve efficiency.
Provides detailed logging for easy problem troubleshooting.
Limitations
Requires pre - installation and configuration of Signal CLI.
Has a certain dependence on network stability.

How to Use

Install Signal CLI
Install and configure the Signal CLI tool according to the official guide.
Register a Signal Account
Use Signal CLI for account registration and verification.
Start the Signal MCP Server
Run the main script and specify the user ID.

Usage Examples

Send a Message to a User
Simulate a customer service system and send a greeting message to a customer.
Send an Announcement to a Group
Send a system maintenance notice to a specific group.

Frequently Asked Questions

How to install Signal CLI?
What if I forget the verification code?
Does it support multi - language messages?

Related Resources

Signal CLI Official Documentation
A detailed user manual for the Signal CLI tool.
MCP Protocol Specification
Understand the working principle of the Model Context Protocol.
GitHub Project Homepage
The source code and latest updates of this project.

Installation

Copy the following command to your Client for configuration
Note: Your key is sensitive information, do not share it with anyone.

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