MCP ConfigsApr 6, 2026·2 min read

Slack MCP — Team Messaging Server for AI Agents

MCP server that connects AI agents to Slack workspaces. Send messages, read channels, search history, manage threads, and automate team communication via natural language. 1,500+ stars.

MC
MCP Hub · Community
Quick Use

Use it first, then decide how deep to go

This block should tell both the user and the agent what to copy, install, and apply first.

Add to your .mcp.json:

{
  "mcpServers": {
    "slack": {
      "command": "npx",
      "args": ["-y", "@anthropic/mcp-slack"],
      "env": {
        "SLACK_BOT_TOKEN": "xoxb-your-bot-token",
        "SLACK_TEAM_ID": "T01234567"
      }
    }
  }
}

Create a Slack app at api.slack.com/apps with chat:write, channels:read, channels:history scopes. Restart Claude Code.

Intro

Slack MCP is a Model Context Protocol server that connects AI agents like Claude Code to your Slack workspace with 1,500+ GitHub stars. Send messages, read channel history, search conversations, manage threads, and automate team communication — all through natural language. Your AI agent becomes a Slack-aware assistant that can post updates, query discussions, and coordinate with your team. Best for developers who want AI-automated Slack workflows. Works with: Claude Code, Cursor, any MCP client. Setup time: under 5 minutes.

Available Tools

slack_send_message

"Post to #engineering: 'Deploy to staging complete, ready for QA'"
"Send a DM to @alice: 'PR #234 is ready for your review'"

slack_read_channel

"Show the last 20 messages from #incidents"
"What was discussed in #product-planning today?"

slack_search

"Search Slack for discussions about rate limiting"
"Find messages from @bob about the database migration"

slack_reply_thread

"Reply to the deployment thread: 'All tests passing on staging'"

slack_list_channels

"Show all public channels and their topics"

Use Cases

Deploy Notifications

"Post to #releases: 'v2.4.1 deployed — changelog: fixed auth bug, added rate limiting'"
→ Agent formats and posts the release notification

Incident Context

"Search #incidents for the database outage last Tuesday and summarize what happened"
→ Agent searches, reads threads, and provides a summary

Standup Automation

"Read my recent git commits and post a standup update to #daily-standup"
→ Agent reads git log, formats standup, posts to Slack

Key Stats

  • 1,500+ GitHub stars
  • Send, read, search, thread management
  • Channel and DM support
  • Full message history access
  • Bot token scoping for security

FAQ

Q: What is Slack MCP? A: An MCP server that gives AI agents full access to Slack — sending messages, reading channels, searching history, and managing threads via natural language.

Q: Is it safe? A: Use a bot token with minimal scopes. The agent can only access channels the bot is invited to.

Q: Is Slack MCP free? A: The MCP server is open-source. Slack is free for small teams.

🙏

Source & Thanks

Built on Slack API. Licensed under MIT.

mcp-slack — ⭐ 1,500+

Thanks for making team communication AI-accessible.

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