How do I install Slack?

Slack is a local plugin. Install it using PyPI package: mcp-slack-crunchtools and add the generated configuration snippet to your AI app's MCP config file. Then restart your AI app.

What AI apps work with Slack?

Slack uses the Model Context Protocol (MCP) and works with any MCP-compatible AI app, including Claude, ChatGPT / Codex, Gemini, Copilot, Cursor, and more.

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Slack

by Crunchtools

CommunicationModerate5.5MCP RegistryLocal

Free

Server data from the Official MCP Registry

Secure read-only MCP server for Slack workspaces

About

Secure read-only MCP server for Slack workspaces

How to Install

Add this to your MCP configuration file:

{
  "mcpServers": {
    "io-github-crunchtools-slack": {
      "args": [
        "mcp-slack-crunchtools"
      ],
      "command": "uvx"
    }
  }
}

Security Report

5.5

Moderate5.5Moderate Risk

This is a well-designed, security-focused read-only Slack MCP server with proper authentication, input validation, and no write capabilities. The code demonstrates good security practices throughout with only minor quality improvements needed. Supply chain analysis found 6 known vulnerabilities in dependencies (0 critical, 3 high severity). Package verification found 1 issue.

Scanned 7 files · 9 findings

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.

env_vars

Check that this permission is expected for this type of plugin.

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