Slack Automation via Rube MCP Automate Slack workspace operations including messaging, search, channel management, and reaction workflows through Composio's Slack toolkit. Prerequisites - Rube MCP must be connected (RUBE SEARCH TOOLS available) - Active Slack connection via with toolkit - Always call first to get current tool schemas Setup Get Rube MCP : Add as an MCP server in your client configuration. No API keys needed — just add the endpoint and it works. 1. Verify Rube MCP is available by confirming responds 2. Call with toolkit 3. If connection is not ACTIVE, follow the returned auth l…