Signal FAQs

Question 1

What is Signal MCP Server and what does it do?

Accepted Answer

Signal MCP Server is a tool designed to enable AI agents and applications to securely access your local Signal Desktop chat messages and attachments. It functions via the Model Context Protocol (MCP), allowing AI to interact with your communication history.

Question 2

What features does Signal MCP Server offer for AI agents?

Accepted Answer

AI agents can retrieve specific Signal messages, list all your chats, filter conversations by contact, and paginate through message history. This facilitates advanced AI-powered analysis, summarization, and search capabilities directly from your Signal data.

Question 3

Is my Signal data secure and private when using this server?

Accepted Answer

Yes, security and privacy are paramount. Signal MCP Server is designed to run locally on your machine, accessing your Signal Desktop database directly. Your personal messages are not exposed to the internet, ensuring your conversations remain private.

Question 4

How does Signal MCP Server integrate with AI tools like Claude Desktop?

Accepted Answer

It integrates using the Model Context Protocol (MCP), a standardized way for AI tools to interact with local data sources. You can configure AI applications, such as Claude Desktop, to connect to the Signal MCP Server and process your Signal data seamlessly.

Question 5

What are the core prerequisites to run Signal MCP Server?

Accepted Answer

To run Signal MCP Server, you'll need Python 3.13 or higher, the UV package manager, and a pre-existing Signal Desktop installation with messages on your Windows, macOS, or Linux operating system.

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