Auto-approve annoying Xcode 26.3 MCP prompts

hook_allow_mcp.js

#!/usr/bin/env osascript -l JavaScript

// Find and approve any MCP agent access dialogs in Xcode.

function run() {
    var se = Application("System Events");
    try { se.processes.byName("Xcode").name(); } catch (e) { return "Xcode not running."; }

    var count = 0;
    var windows = se.processes.byName("Xcode").windows();
    for (var i = 0; i < windows.length; i++) {
        try {
            var w = windows[i];
            if (w.subrole() !== "AXDialog") continue;
            if (!w.staticTexts().some(function(t) { return (t.value() || "").indexOf("to access Xcode?") !== -1; })) continue;
            w.buttons.byName("Allow").click();
            count++;
        } catch (e) {}
    }
    return count ? "Allowed " + count + " MCP connection(s)." : "No MCP dialogs found.";
}

settings.json

{
  "hooks": {
    "SessionStart": [
      {
        "hooks": [
          {
            "type": "command",
            "command": "\"$CLAUDE_PROJECT_DIR\"/path/to/hook_allow_mcp.js",
            "timeout": 10
          }
        ]
      }
    ]
  }
}