Hosted npm Install Setup Guide
Self-host free for 16 tools with session-based auth. Works with Claude, ChatGPT, Cursor, Copilot, Gemini, Windsurf, and any other MCP client. No OAuth app, no admin approval. Hosted version coming soon at mcp.revasserlabs.com.

Slack MCP Server 🔧 MCP Demo

Watch an AI handle your Monday morning Slack without ever opening it

Claude

It's Monday, 9:07 AM.

A jammed printer. Nobody knows the PIN.
The guy who did left six months ago.

His message is still in #facilities.

Slack MCP Server · No OAuth · One command

0 unreads.

You never opened Slack.

The printer PIN is 4729.

npx -y @jtalk22/slack-mcp --setup

Claude · Cursor · Copilot · Gemini · Windsurf

github.com/jtalk22/slack-mcp-server

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Message Claude...
🔨 16 tools
🔨 Available Slack Tools
slack_search_messages
Search across your workspace
slack_list_conversations
List DMs and channels
slack_conversations_history
Get messages from a conversation
slack_get_thread
Get all replies in a thread
slack_send_message
Send a message to any channel
slack_get_full_conversation
Export full history with threads
slack_users_info
Get user details
slack_list_users
List workspace users
slack_conversations_unreads
Get channels with unread messages
slack_add_reaction
Add emoji reaction to a message
slack_conversations_mark
Mark conversation as read
slack_users_search
Search users by name or email
slack_remove_reaction
Remove emoji reaction
slack_health_check
Verify token validity
slack_token_status
Check token health
Press F or Esc to exit