Slack MCP Server with SSE Transport

@dVelopment

代码仓库

基本信息

分类

沟通协作

许可证

Unlicense license

传输方式

stdio

作者

dVelopment

关于 Slack MCP Server with SSE Transport

Slack MCP Server with SSE transport

Slack MCP Server with SSE Transport 配置

使用下面的配置,将此服务器添加到你的 MCP 客户端。

{
  "mcpServers": {
    "slack-mcp-server-sse": {
      "command": "docker",
      "args": [
        "compose",
        "up",
        "--build"
      ]
    }
  }
}

Slack MCP Server with SSE Transport 工具

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概览

What is Slack MCP Server with SSE Transport?

Slack MCP Server with SSE Transport is a Model Context Protocol (MCP) server that integrates Slack API functionality using Server-Sent Events (SSE) transport instead of stdio. It allows AI assistants to interact with Slack workspaces through a simple HTTP-based interface. The server is built with TypeScript, supports Docker deployment, and works with any MCP client that supports SSE transport.

How to use Slack MCP Server with SSE Transport?

Set environment variables SLACK_BOT_TOKEN (Slack Bot User OAuth Token starting with xoxb-) and SLACK_TEAM_ID (Slack Workspace/Team ID). Build TypeScript code with npm run build and start the server with npm start. Alternatively, deploy with Docker Compose or run a pre-built Docker image. Connect to the SSE endpoint at /sse using an EventSource client.

Key features of Slack MCP Server with SSE Transport

Uses SSE transport for HTTP/HTTPS communication
Provides access to essential Slack API functionality
Includes a simple web UI and health check endpoint
Fully containerized with Docker for easy deployment
Built with TypeScript for type safety
Works with any MCP client supporting SSE transport

Use cases of Slack MCP Server with SSE Transport

Enable AI assistants to list and post messages in Slack channels
Let AI assistants reply to threads and add reactions
Allow AI assistants to retrieve channel history and thread replies
Enable AI assistants to list users and fetch user profiles
Integrate Slack collaboration into MCP-based agent workflows

常见问题

What is the difference between SSE transport and stdio transport?

SSE transport enables communication over HTTP/HTTPS, making the server accessible over the network rather than requiring a direct subprocess connection.

What are the runtime requirements?

Node.js 18 or higher is required. A Slack Bot Token with appropriate scopes and a Slack Team ID are also needed.

Where does user data live?

The server itself does not store data; it makes API calls to Slack on behalf of the token. All data resides in the Slack workspace.

What transports does the server support?

The server exclusively uses Server-Sent Events (SSE) transport. It exposes an SSE endpoint at `/sse` and does not support stdio.

How do I authenticate with Slack?

Provide the `SLACK_BOT_TOKEN` (starting with `xoxb-`) and `SLACK_TEAM_ID` as environment variables. The token must have scopes like `channels:history`, `channels:read`, `chat:write`, `reactions:write`, and `users:read`.

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