Slack

Slack MCP Server is an open-source Model Context Protocol (MCP) server that enables deep integration of Slack Workspaces with AI systems and agents. Designed primarily for developers and engineers, it supports advanced message history fetching, searching, channel/thread access, DMs, reactions, and smart pagination. The server can operate in stealth mode (no permissions needed) or with secure OAuth integration, facilitating safe enterprise and personal Slack workspace automation.