Skip to content
mcp/harbor
Grok

Arc Control (macOS) for Grok

io.github.db-25/arc-control-mcp

macOS-only MCP server for the Arc browser: tabs, navigation, page reading, DOM, scripting

client:Grok transport:stdio runtime:npm

Install Arc Control (macOS) in Grok

.mcp.json (in your project root)

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "arc-control-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "arc-control-mcp"
      ],
      "env": {
        "ARC_MCP_LABEL": "<ARC_MCP_LABEL>",
        "ARC_MCP_SPACE": "<ARC_MCP_SPACE>",
        "ARC_MCP_STATE_DIR": "<ARC_MCP_STATE_DIR>"
      }
    }
  }
}

Grok Build reads Claude Code's .mcp.json and Claude Desktop's config unchanged, so a server you have already set up there needs nothing new. The Grok web app and X integration do not take custom servers. Grok docs

Arc Control (macOS) in other clients

Arc Control (macOS) MCP server