Slack

Channel management and messaging capabilities

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Overview

Slack is a channel management and messaging solution that enables seamless interaction within workspaces, integrating with various tools for efficiency.

To use Slack, create a Slack app, configure necessary bot token scopes, and install the app to your workspace. The system supports various commands to manage channels, post messages, and retrieve user information.

List public channels in the workspace - Post messages to channels - Reply to message threads - Add emoji reactions to messages - Retrieve channel message history - Get detailed user profiles

Team communication across multiple channels
Project management using message threads
Integrating with third-party applications and services

Add to your AI client

Use these steps to connect Slack in Cursor, Claude, VS Code, and other MCP-compatible apps. The same JSON appears in the Use with menu above for one-click copy.

Cursor

Add this to your .cursor/mcp.json file in your project root, then restart Cursor.

.cursor/mcp.json

{
  "mcpServers": {
    "slack-modelcontextprotocol": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-slack"
      ],
      "env": {
        "SLACK_BOT_TOKEN": "xoxb-your-bot-token",
        "SLACK_CHANNEL_IDS": "C01234567, C76543210",
        "SLACK_TEAM_ID": "T01234567"
      }
    }
  }
}

Claude Desktop

Add this server entry to the mcpServers object in your Claude Desktop config, then restart the app.

~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows)

{
  "mcpServers": {
    "slack-modelcontextprotocol": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-slack"
      ],
      "env": {
        "SLACK_BOT_TOKEN": "xoxb-your-bot-token",
        "SLACK_CHANNEL_IDS": "C01234567, C76543210",
        "SLACK_TEAM_ID": "T01234567"
      }
    }
  }
}

Claude Code

Add this to your project's .mcp.json file. Claude Code will detect it automatically.

.mcp.json (project root)

{
  "mcpServers": {
    "slack-modelcontextprotocol": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-slack"
      ],
      "env": {
        "SLACK_BOT_TOKEN": "xoxb-your-bot-token",
        "SLACK_CHANNEL_IDS": "C01234567, C76543210",
        "SLACK_TEAM_ID": "T01234567"
      }
    }
  }
}

VS Code (Copilot)

Add this to your .vscode/mcp.json file. Requires the GitHub Copilot extension with MCP support enabled.

.vscode/mcp.json

{
  "servers": {
    "slack-modelcontextprotocol": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-slack"
      ],
      "env": {
        "SLACK_BOT_TOKEN": "xoxb-your-bot-token",
        "SLACK_CHANNEL_IDS": "C01234567, C76543210",
        "SLACK_TEAM_ID": "T01234567"
      }
    }
  }
}

Windsurf

Add this to your Windsurf MCP config file, then restart Windsurf.

~/.codeium/windsurf/mcp_config.json

{
  "mcpServers": {
    "slack-modelcontextprotocol": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-slack"
      ],
      "env": {
        "SLACK_BOT_TOKEN": "xoxb-your-bot-token",
        "SLACK_CHANNEL_IDS": "C01234567, C76543210",
        "SLACK_TEAM_ID": "T01234567"
      }
    }
  }
}

Cline

Open Cline settings, navigate to MCP Servers, and add this server configuration.

Cline MCP Settings (via UI)

{
  "mcpServers": {
    "slack-modelcontextprotocol": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-slack"
      ],
      "env": {
        "SLACK_BOT_TOKEN": "xoxb-your-bot-token",
        "SLACK_CHANNEL_IDS": "C01234567, C76543210",
        "SLACK_TEAM_ID": "T01234567"
      }
    }
  }
}

FAQ

What is required to set up Slack?

You need to create a Slack app, configure scopes, and install it in your workspace.

Can Slack be integrated with other tools?

Yes, Slack supports integration with various third-party applications to enhance productivity.

Is there a limit on the number of channels I can manage?

The maximum number of channels returned in a single query can be set to 200, but there is no overall limit on channels within a workspace.

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