"Signal" matching MCP servers:

Local Signal MCP server: read via Signal Desktop, send via signal-cli

The most complete Signal MCP server and CLI.

Enables querying Signal Desktop chats and messages by reading the encrypted SQLite database directly, providing tools for listing chats, searching messages, and running read-only SQL queries.

Provides read-only access to Signal Desktop message history, enabling listing conversations, retrieving messages, and searching messages through MCP tools.

MCPL server that bridges Signal via signal-cli, exposing DMs and group chats as channels and providing signal_send and signal_react tools.

Enables Claude sessions to send Signal messages, ask questions, request permissions, and check replies through an existing signal-cli daemon.

MCP server for Signal via signal-cli that enables sending and receiving messages, managing contacts and groups, and reacting over stdio.

An MCP integration for signal-cli that allows AI agents to send and receive Signal messages, supporting direct messages, group messages, and async message handling.

Publishes experimental MCP Events methods — events/list, events/stream, events/poll, and events/subscribe/events/unsubscribe with verified webhook delivery — so MCP clients can receive pushed notifications alongside a public website. Anonymous visitors appear as floating dots and can ping or send a short message of up to 200 Unicode code points to any chosen name, with no accounts, database, or persistent storage.

MCP server that wraps a running signal-cli daemon's JSON-RPC API as MCP tools, enabling list contacts, groups, conversations, read and send messages, and react to messages on Signal.

Enables remote Model Context Protocol clients to securely read, search, and send Signal Messenger messages through an HTTP interface backed by a personal signal-cli daemon.

MCP Server for retrieving Signal messages using signal-export logic.

An MCP server that lets AI assistants propose sending Signal messages, but nothing is ever sent without explicit human approval.

Enables encrypted messaging via Signal, SimpleX, and Session through a unified API, supporting message sending, polling, and key management.

re-backlog idea management with decision tracking, signal aggregation, and RICE scoring. Captures product feedback from Slack, Teams, Discord, and GitHub

An MCP server that controls WSJT-X for amateur radio weak-signal modes (FT8/FT4, etc.) via UDP, enabling observation of status and decodes, and transmit operations like replying to CQs or sending free text.

MCP server for a local-first messaging workspace that integrates Google Messages, WhatsApp, and Signal. It enables reading, sending, searching messages, and managing conversations through MCP tools.