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Slack MCP

Model Context Protocol Integration

Overview

MCP Server for the Slack API, enabling Claude to interact with Slack workspaces through natural language. Provides comprehensive tools for channel management, messaging, reactions, and user information.

Slack Features

  • Channel management and listing
  • Message posting and thread replies
  • Emoji reactions
  • Channel history retrieval
  • Thread management
  • User profile information
  • Workspace member listing

Slack Setup & Configuration

Requirements

  • Slack workspace admin access
  • Slack Bot User OAuth Token
  • Workspace Team ID
  • Required bot token scopes:
  • - channels:history
  • - channels:read
  • - chat:write
  • - reactions:write
  • - users:read

Installation Instructions

# NPX Installation
npx -y @modelcontextprotocol/server-slack

# Docker Installation
docker build -t mcp/slack -f src/slack/Dockerfile .
docker run -i --rm -e SLACK_BOT_TOKEN -e SLACK_TEAM_ID mcp/slack

Configuration

# Claude Desktop Configuration (NPX)
{
  "mcpServers": {
    "slack": {
      "command": "npx",
      "args": ["-y", "@modelcontextprotocol/server-slack"],
      "env": {
        "SLACK_BOT_TOKEN": "xoxb-your-bot-token",
        "SLACK_TEAM_ID": "T01234567"
      }
    }
  }
}

Slack Available Tools

  • slack_list_channels
  • slack_post_message
  • slack_reply_to_thread
  • slack_add_reaction
  • slack_get_channel_history
  • slack_get_thread_replies
  • slack_get_users
  • slack_get_user_profile

Slack Required Inputs

SLACK_BOT_TOKEN

Type
string
Description
Slack Bot User OAuth Token (starts with xoxb-)
Required
Yes

SLACK_TEAM_ID

Type
string
Description
Slack Workspace Team ID (starts with T)
Required
Yes

Slack Use Cases

  • Automated channel management
  • Message posting and thread management
  • User information retrieval
  • Channel history analysis
  • Workspace member management
  • Automated reactions and responses
  • Team communication automation

Frequently Asked Questions

MCP Server for the Slack API, enabling Claude to interact with Slack workspaces through natural language. Provides comprehensive tools for channel management, messaging, reactions, and user information.
Slack workspace admin access, Slack Bot User OAuth Token, Workspace Team ID, Required bot token scopes:, - channels:history, - channels:read, - chat:write, - reactions:write, - users:readView detailed requirements
Follow the installation instructions in the setup section above.View installation guide

Slack MCP provides the following tools:

  • slack_list_channels
  • slack_post_message
  • slack_reply_to_thread
  • slack_add_reaction
  • slack_get_channel_history
  • slack_get_thread_replies
  • slack_get_users
  • slack_get_user_profile