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korotovsky/slack-mcp-server

MITAPI key required

📇 ☁️ - The most powerful MCP server for Slack Workspaces.

GoCommunication

Install

npx -y @modelcontextprotocol/inspector

Required environment variables

SLACK_MCP_XOXC_TOKENSet in your MCP config
SLACK_MCP_XOXD_TOKENSet in your MCP config
SLACK_MCP_XOXP_TOKENSet in your MCP config
SLACK_MCP_XOXB_TOKENSet in your MCP config
SLACK_MCP_API_KEYSet in your MCP config

claude_desktop_config.json

claude_desktop_config.json
{
  "mcpServers": {
    "korotovsky-slack-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/inspector"
      ],
      "env": {
        "SLACK_MCP_XOXC_TOKEN": "<YOUR_SLACK_MCP_XOXC_TOKEN>",
        "SLACK_MCP_XOXD_TOKEN": "<YOUR_SLACK_MCP_XOXD_TOKEN>",
        "SLACK_MCP_XOXP_TOKEN": "<YOUR_SLACK_MCP_XOXP_TOKEN>",
        "SLACK_MCP_XOXB_TOKEN": "<YOUR_SLACK_MCP_XOXB_TOKEN>",
        "SLACK_MCP_API_KEY": "<YOUR_SLACK_MCP_API_KEY>"
      }
    }
  }
}

Add this to your Claude Desktop config file. Find it at ~/Library/Application Support/Claude/claude_desktop_config.json on macOS.