slack-mcp-server

MCP server by korotovsky · ★ 1.9k · updated 2 months ago

Productivity & CommsMaintainedRemote availableOne-click install

The most powerful MCP Slack Server with no permission requirements, Apps support, GovSlack, DMs, Group DMs and smart history fetch logic.

Install View on GitHub

Install slack-mcp-server

Choose your AI client and copy the config.

Add to claude_desktop_config.json — macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\. Then restart Claude. Setup guide

{
  "mcpServers": {
    "slack-mcp-server": {
      "command": "npx",
      "args": [
        "@modelcontextprotocol/inspector",
        "go",
        "run",
        "mcp/mcp-server.go",
        "--transport",
        "stdio"
      ]
    }
  }
}

Add to Cursor

Or add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project). Setup guide

{
  "mcpServers": {
    "slack-mcp-server": {
      "command": "npx",
      "args": [
        "@modelcontextprotocol/inspector",
        "go",
        "run",
        "mcp/mcp-server.go",
        "--transport",
        "stdio"
      ]
    }
  }
}

Install in VS Code

Or add to .vscode/mcp.json in your workspace. Setup guide

{
  "servers": {
    "slack-mcp-server": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "@modelcontextprotocol/inspector",
        "go",
        "run",
        "mcp/mcp-server.go",
        "--transport",
        "stdio"
      ]
    }
  }
}

Cascade → Actions → Open MCP config file (often ~/.config/devin/mcp_config.json). Setup guide

{
  "mcpServers": {
    "slack-mcp-server": {
      "command": "npx",
      "args": [
        "@modelcontextprotocol/inspector",
        "go",
        "run",
        "mcp/mcp-server.go",
        "--transport",
        "stdio"
      ]
    }
  }
}

Run in your terminal: Setup guide

claude mcp add slack-mcp-server -- npx @modelcontextprotocol/inspector go run mcp/mcp-server.go --transport stdio

CLI or add to ~/.codex/config.toml. Setup guide

codex mcp add slack-mcp-server -- npx @modelcontextprotocol/inspector go run mcp/mcp-server.go --transport stdio

[mcp_servers.slack-mcp-server]
command = "npx"
args = ["@modelcontextprotocol/inspector", "go", "run", "mcp/mcp-server.go", "--transport", "stdio"]

Cline panel → Configure MCP Servers, or ~/.cline/data/settings/cline_mcp_settings.json. Setup guide

{
  "mcpServers": {
    "slack-mcp-server": {
      "command": "npx",
      "args": [
        "@modelcontextprotocol/inspector",
        "go",
        "run",
        "mcp/mcp-server.go",
        "--transport",
        "stdio"
      ]
    }
  }
}

Run the server directly:

npx @modelcontextprotocol/inspector go run mcp/mcp-server.go --transport stdio

Before you install: Install command taken from the project README. The README mentions API keys or tokens — you'll likely need to add them as environment variables ("env") in the config.

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