Do I need any additional software to use this?

Yes, you must have the signal-mcp server (Rust-based) built and running on your local machine as described in the prerequisites.

How does Claude connect to Signal Messenger?

Claude uses the Model Context Protocol (MCP) to communicate with a locally hosted signal-mcp server which is linked to your Signal account.

Is my Signal data secure when using this skill?

Yes, the communication happens through a local MCP server that you control, leveraging Signal's end-to-end encryption for the actual messaging.

Can Claude manage my Signal attachments?

Yes, the skill includes capabilities for handling attachments within the Signal messaging ecosystem.

Can I use this skill to send messages to groups?

Yes, the skill supports sending and receiving messages for both individual contacts and Signal groups.

Signal Messaging

Name: Signal Messaging
Author: plurigrid

byplurigrid

•

Collaboration Tools

Integrates Claude Code with Signal Messenger to automate messaging, read conversations, and manage secure communications via MCP.

About

This skill enables Claude to interact directly with Signal Messenger through the Model Context Protocol (MCP). By connecting to a local Signal MCP server, users can automate message delivery, read incoming threads, list active conversations, and manage file attachments within their development or personal workflows. It is particularly useful for developers and power users who need to bridge AI-driven tasks with secure instant messaging, enabling features like automated notifications, AI-powered chat summaries, and custom Signal-based bot interactions.

Key Features

Local MCP integration for enhanced privacy and account control
Upload and handle attachments through the Signal protocol
List all active conversations and contact metadata
2 GitHub stars
Send secure messages to individual contacts and Signal groups
Read and retrieve incoming message history and conversation threads

Use Cases

Summarizing recent chat history to quickly catch up on team discussions
Automating deployment notifications or status updates to Signal groups
Creating an AI-driven Signal bot for personal task management

About

Key Features

Local MCP integration for enhanced privacy and account control
Upload and handle attachments through the Signal protocol
List all active conversations and contact metadata
2 GitHub stars
Send secure messages to individual contacts and Signal groups
Read and retrieve incoming message history and conversation threads

Use Cases

Summarizing recent chat history to quickly catch up on team discussions
Automating deployment notifications or status updates to Signal groups
Creating an AI-driven Signal bot for personal task management