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Slack Model Context Protocol Server

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A Model Context Protocol Server for Interacting with Slack

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Overview

The Slack Model Context Protocol Server is a connector that allows Claude Desktop (or any MCP client) to interact with your Slack workspace, enabling functionalities such as posting messages and querying user lists.

To use the server, configure your Claude Desktop MCP Server config file with the appropriate settings, including your Slack bot token and team ID. You can then run the server locally and test it using example prompts in the Claude Desktop App.

  • Integration with Slack for posting messages and querying users. - Local development setup for testing. - Support for various Slack permission scopes.
  1. Automating message posting in Slack channels.
  2. Retrieving user information from a Slack workspace.
  3. Enhancing Slack functionalities with AI assistance.

Add to your AI client

Use these steps to connect Slack Model Context Protocol Server 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-mcp-server-avimbu": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-slack-mcp-server-avimbu"
      ]
    }
  }
}

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-mcp-server-avimbu": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-slack-mcp-server-avimbu"
      ]
    }
  }
}

Claude Code

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

.mcp.json (project root)

{
  "mcpServers": {
    "slack-mcp-server-avimbu": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-slack-mcp-server-avimbu"
      ]
    }
  }
}

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-mcp-server-avimbu": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-slack-mcp-server-avimbu"
      ]
    }
  }
}

Windsurf

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

~/.codeium/windsurf/mcp_config.json

{
  "mcpServers": {
    "slack-mcp-server-avimbu": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-slack-mcp-server-avimbu"
      ]
    }
  }
}

Cline

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

Cline MCP Settings (via UI)

{
  "mcpServers": {
    "slack-mcp-server-avimbu": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-slack-mcp-server-avimbu"
      ]
    }
  }
}

FAQ

What is required to run the server locally?

You need to configure the MCP Server with your Slack bot token and team ID, and run the server using Node.js.

Can I use this server with any MCP client?

Yes, it is designed to work with Claude Desktop and any compatible MCP client.

What permissions are implemented?

The server supports various permissions, but many are not yet implemented. Check the documentation for details.7:["$","div",null,{"className":"container mx-auto flex flex-col gap-4","children":["$L26","$L27",["$","$L28",null,{"currentProject":{"id":3179,"uuid":"d5e2d319-de13-4d8f-8e19-3071bef5ccc1","name":"slack-mcp-server","title":"Slack Model Context Protocol Server","description":"A Model Context Protocol Server for Interacting with Slack","avatar_url":"https://avatars.githubusercontent.com/u/162746800?v=4","created_at":"2025-03-18T03:12:12.848Z","updated_at":"2025-03-18T14:43:35.480Z","status":"created","author_name":"AVIMBU","author_avatar_url":"https://avatars.githubusercontent.com/u/162746800?v=4","tags":"[]","category":"developer-tools","is_featured":false,"sort":1,"url":"https://github.com/AVIMBU/slack-mcp-server","target":"_self","content":"$29","summary":"$2a","img_url":null,"type":null,"metadata":"{\"star\":\"0\",\"license\":\"\",\"language\":\"TypeScript\",\"is_official\":false,\"latest_commit_time\":\"2025-03-19 13:18:20\"}","user_uuid":null,"tools":null,"sse_url":null,"sse_provider":null,"sse_params":null,"is_official":false,"server_command":null,"server_params":null,"server_config":null,"allow_call":false,"is_innovation":false,"is_dxt":false,"dxt_manifest":null,"dxt_file_url":null,"is_audit":false},"randomProjects":[],"currentServerKey":"$undefined"}]]}]

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