Communication & Collaboration MCP Servers

Phone carrier for AI agents. Provision phone numbers, place and receive calls, send and receive SMS, manage TCPA compliance and consent

Permissionless communication supercharger MCP server — 40+ Lightning-paid tools: AI phone calls in any language, voice in 602 languages

Dual-mode MCP server for SeaMeet — let AI agents (Claude Code, Codex, Cursor) drive the desktop recorder when it's running, else read your

MCP server for remote control of AI assistants via Telegram

MCP server for interacting with Slack

MCP server that proposes Signal messages and groups but sends nothing without explicit human approval via a local web GUI.

CLI for browsing a local encrypted Signal Desktop database

Simple ntfy MCP server for sending push notifications via ntfy.sh - works with npx

A simplified MCP server for Slack messaging and channel operations with stdio transport

MCP server for SimRelay — list SIMs, lock/release them, fetch message history, and stream incoming SMS in real time over WebSocket.

Official MCP server for Sinch communication services.

CLI and MCP server for fast, read-only access to a local Skype export

CLI and MCP server for Slack — channels, messages, DMs, search, and users

Enterprise MCP server: 12 production tools with Block Kit + 50+ search patterns - AI-optimized for information synthesis

Slack MCP Pack

Slack Enterprise MCP server. Tools: send message, search messages, list channels. Built by MEOK AI Labs.

MCP server that exposes Slack AI-generated huddle transcripts to LLM agents

Operations-first Slack MCP server (stdio) for Codex and Claude Code

User-token (xoxp) Slack MCP server over stdio

MCP server for reading Slack conversations and threads

MCP server for sending notifications to Slack using OAuth bot tokens