MCP Server for Slack

# MCP Server for Slack [](https://www.npmjs.com/package/shouting-mcp-slack) A Model Context Protocol (MCP) server implementation for integrating AI assistants with Slack workspaces. ## Overview This package provides an MCP server that enables AI assistants to interact with Slack workspaces. It allows AI models to: - List and browse channels - Send messages to channels - Reply to threads - Add reactions to messages - Retrieve channel history - Get thread replies - List users and retrieve user profiles ## Installation ```bash # Install from npm npm install shouting-mcp-slack # Or install globally npm install -g shouting-mcp-slack ``` You can find the package on npm: [shouting-mcp-slack](https://www.npmjs.com/package/shouting-mcp-slack/access) ## Prerequisites You need to set up a Slack Bot and obtain the necessary credentials: 1. Create a Slack App in the [Slack API Console](https://api.slack.com/apps) 2. Add the following Bot Token Scopes: - `channels:history` - `channels:read` - `chat:write` - `reactions:write` - `users:read` - `users:read.email` 3. Install the app to your workspace 4. Copy the Bot User OAuth Token ## Configuration The server requires the following environment variables: - `SLACK_BOT_TOKEN`: Your Slack Bot User OAuth Token - `SLACK_TEAM_ID`: Your Slack Team ID ## Usage ### Running as a CLI Tool ```bash # Set environment variables export SLACK_BOT_TOKEN=xoxb-your-token export SLACK_TEAM_ID=your-team-id # Run the server mcp-server-slack ``` ### Using in Your Code ```typescript import { Server } from "@modelcontextprotocol/sdk/server/index.js"; import { SlackClient } from "shouting-mcp-slack"; // Initialize the server and client const server = new Server({...}); const slackClient = new SlackClient(process.env.SLACK_BOT_TOKEN); // Register your custom handlers // ... ``` ## Available Tools The server provides the following Slack integration tools: - `slack_list_channels`: List available channels - `slack_post_message`: Send a message to a channel - `slack_reply_to_thread`: Reply to a thread - `slack_add_reaction`: Add a reaction to a message - `slack_get_channel_history`: Get message history from a channel - `slack_get_thread_replies`: Get replies in a thread - `slack_get_users`: List users in the workspace - `slack_get_user_profile`: Get a user's profile ## License ISC ## Author shouting.hsiao@gmail.com ## Repository https://github.com/z9905080/mcp-slack