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Slack MCP Server

CommunicationLow Risk8.5Local
Free

Full Slack access for channels, DMs, search, and message history

About

The Slack MCP Server gives your AI assistant full access to Slack workspaces for reading channels, sending messages, searching message history, and managing conversations. It connects via Slack Bot tokens for comprehensive workspace interaction.

Built by the community (korotovsky), this server provides tools for channel listing, message reading, posting, thread replies, user lookups, and full-text search across your workspace history.

Perfect for teams that rely on Slack for communication and want AI help with message triage, searching past conversations, composing responses, and staying on top of channels.

Security Report

8.5
Low Risk8.5Low Risk

Official reference server using Slack Bot tokens. Can read and send messages. Permissions controlled by bot scopes.

5 files analyzed · 3 issues found

Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.

Permissions Required

This plugin requests these system permissions. Most are normal for its category.

HTTP Network Access

Connects to external APIs or services over the internet.

Environment Variables

Reads environment variables, typically for API keys or configuration.

How to Install

Add this to your MCP configuration file:

{
  "mcpServers": {
    "slack": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-slack"
      ],
      "env": {
        "SLACK_BOT_TOKEN": "xoxb-****",
        "SLACK_TEAM_ID": "<your-team-id>"
      }
    }
  }
}

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Version History

v2.1.0Dec 15, 2025Re-scanned

Added support for streaming responses and improved error handling for rate-limited requests.

v2.0.0Nov 1, 2025Re-scanned

Major release: new tool registration API, breaking changes to configuration format. See migration guide.

v1.5.0Sep 20, 2025Re-scanned

Added OAuth 2.0 support and improved connection pooling.

v1.0.0Jul 1, 2025Re-scanned

Initial stable release.

Slack MCP Server - Full Slack access for channels, DMs, search, and message | MCP Marketplace