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mcp/harbor
Cursor

Arc Control (macOS) for Cursor

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

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

client:Cursor transport:stdio runtime:npm

Install Arc Control (macOS) in Cursor

~/.cursor/mcp.json · windows: %USERPROFILE%\.cursor\mcp.json

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>"
      }
    }
  }
}

Use .cursor/mcp.json in a project root instead to scope it to that project. Cursor merges both. Cursor docs

Arc Control (macOS) in other clients

Arc Control (macOS) MCP server