Slack MCP Server Configuration & Usage Guide

Supported Clients

• Claude Desktop
• Cursor

Installation Command

npx -y @modelcontextprotocol/server-slack

Configuration Example

{
  "mcpServers": {
    "slack": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-slack"
      ],
      "env": {
        "SLACK_BOT_TOKEN": "xoxb-your-token",
        "SLACK_TEAM_ID": "T0123456789"
      }
    }
  }
}

Environment variable required：SLACK_BOT_TOKEN, SLACK_TEAM_ID。Do not commit these values to public repositories.

Permission Scope & Security Notes

可读取和发送 Slack 消息，Required Bot Token，建议限制频道权限

• network-access
• credential-required
• message-send

Risk Score：6/10

Common Errors

invalid_auth

检查 Bot Token 是否正确

channel_not_found

确认 Bot 已被邀请到目标频道

Sources

• Official Documentation / Repository

Recently Verified：2026-05-18。Client versions and configuration formats may change. Please refer to official documentation before use.

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