Slack MCP Server

Name: Slack MCP Server
Author: edrigu1989

@edrigu1989

リポジトリ

Slack MCP Server について

slack

#slack #mcp #server

基本情報

カテゴリ

コミュニケーション

ランタイム

node

トランスポート

stdio

公開者

edrigu1989

設定

以下の設定を使って、このサーバーを MCP 対応クライアントに追加してください。

{
  "mcpServers": {
    "slack-mcp-server-edrigu1989": {
      "command": "docker",
      "args": [
        "build",
        "-t",
        "mcp/slack",
        "-f",
        "src/slack/Dockerfile",
        "."
      ]
    }
  }
}

ツール

List of channels with their IDs and information

Message posting confirmation and timestamp

Reply confirmation and timestamp

Reaction confirmation

List of messages with their content and metadata

List of replies with their content and metadata

List of users with their basic profiles

Detailed user profile information

概要

What is Slack MCP Server?

An MCP server for the Slack API that enables Claude to interact with Slack workspaces. It provides tools for listing channels, posting messages, replying to threads, adding reactions, and retrieving channel history, thread replies, and user profiles.

How to use Slack MCP Server?

Install via npx (npx -y @modelcontextprotocol/server-slack) or Docker (docker run -i --rm -e SLACK_BOT_TOKEN -e SLACK_TEAM_ID mcp/slack). Configure environment variables SLACK_BOT_TOKEN and SLACK_TEAM_ID in your Claude Desktop configuration. First create a Slack app with required OAuth scopes, install it to your workspace, and obtain the bot token and team ID.

Key features of Slack MCP Server

List public channels in the workspace with pagination
Post new messages to any channel
Reply to message threads
Add emoji reactions to messages
Get recent messages from a channel
Get all replies in a thread
List workspace users with basic profiles
Get detailed profile for a specific user

Use cases of Slack MCP Server

Automate channel discovery and monitoring
Send announcements or notifications to channels
Respond to messages in threads contextually
Collect message history for analysis or moderation
Retrieve user information for directory lookup

FAQ from Slack MCP Server

What OAuth scopes are required for the Slack app?

channels:history, channels:read, chat:write, reactions:write, and users:read.

How do I install the Slack app to my workspace?

After creating the app and adding scopes, click "Install to Workspace" and authorize. Then copy the Bot User OAuth Token (starts with xoxb-) and your Team ID (starts with T).

Why am I getting permission errors?

Verify that all required scopes are added, the app is properly installed to your workspace, tokens and workspace ID are correctly configured, and the app has been added to the channels it needs to access.

How do I find my Slack Team ID?

Follow Slack's guidance at https://slack.com/help/articles/221769328-Locate-your-Slack-URL-or-ID#find-your-workspace-or-org-id. It starts with a

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