slack-automation

# 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 `RUBE_MANAGE_CONNECTIONS` with toolkit `slack` - Always call `RUBE_SEARCH_TOOLS` first to get current tool schemas ## Setup **Get Rube MCP**: Add `https://rube.app/mcp` 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 `RUBE_SEARCH_TOOLS` responds 2. Call `RUBE_MANAGE_CONNECTIONS` with toolkit `slack` 3. If connection is not ACTIVE, follow the returned auth link to complete Slack OAuth 4. Confirm connection status shows ACTIVE before running any workflows ## Core Workflows ### 1. Send Messages to Channels **When to use**: User wants to post a message to a Slack channel or DM **Tool sequence**: 1. `SLACK_FIND_CHANNELS` - Resolve channel name to channel ID [Prerequisite] 2. `SLACK_LIST_ALL_CHANNELS` - Fallback if FIND_CHANNELS returns empty/ambiguous results [Fallback] 3. `SLACK_FIND_USERS` - Resolve user for DMs or @mentions [Optional] 4. `SLACK_OPEN_DM` - Open/reuse a DM channel if messaging a user directly [Optional] 5. `SLACK_SEND_MESSAGE` - Post the message with resolved channel ID [Required] 6. `SLACK_UPDATES_A_SLACK_MESSAGE` - Edit the posted message if corrections needed [Optional] **Ke...