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⧖MCP-Bridge
Communication

Slack API Claude Desktop Config

Add the Slack API MCP server to Claude Desktop with this ready-to-use configuration.

Setup Instructions

  1. Open Claude Desktop
  2. Go to Settings → Developer → Edit Config → claude_desktop_config.json
  3. Paste the JSON below into the file
  4. Set your OAuth2 in the env section
  5. Restart Claude Desktop

Configuration JSON

Copy the entire block into your claude_desktop_config.json

{
  "mcpServers": {
    "slack": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-slack"
      ],
      "env": {
        "SLACK_BOT_TOKEN": "xoxb-..."
      }
    }
  }
}

Environment Variables

SLACK_BOT_TOKEN

Replace xoxb-... with your actual slack bot token

Endpoints

GET/conversations.list

List all channels

POST/chat.postMessage

Send a message

GET/users.list

List all users