diff --git a/init.php b/init.php
index cfa0b08..7eef973 100644
--- a/init.php
+++ b/init.php
@@ -34,6 +34,7 @@ $dirs = [
     'WEBROOT/src/utils',
     'WEBROOT/src/MVC',
     'WEBROOT/src/MVC/Core',
+	'WEBROOT/src/MVC/Classes',
     'WEBROOT/src/MVC/Controller',
     'WEBROOT/src/MVC/Model',
     'WEBROOT/src/MVC/View',
@@ -398,6 +399,148 @@ function db_connect() {
     }
 }
 PHP;
+// -- CLASSES --
+
+$files['WEBROOT/src/MVC/Classes/Api.php'] = <<<'PHP'
+<?php
+
+namespace MVC\Classes;
+
+class Api {
+    public static function jsonResponse($data, int $statusCode = 200) {
+        header('Content-Type: application/json');
+        http_response_code($statusCode);
+        echo json_encode(
+            [
+                'status' => $statusCode === 200 ? 'success' : 'error',
+                'data' => $data,
+            ], JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE
+        );
+        exit;
+    }
+}
+PHP;
+
+$files['WEBROOT/src/MVC/Classes/Client.php'] = <<<'PHP'
+<?php 
+
+namespace MVC\Classes;
+
+class Client {
+    
+    public static function ip() {
+        if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
+            $ipList = explode(',', $_SERVER['HTTP_X_FORWARDED_FOR']);
+            return trim($ipList[0]);
+        } else if (!empty($_SERVER['REMOTE_ADDR'])) {
+            return $_SERVER['REMOTE_ADDR'];
+        } else {
+            return 'UNKNOWN';
+        }
+    }
+
+    public static function port() {
+        return $_SERVER['REMOTE_PORT'] ?? 'UNKNOWN';
+    }
+
+    public static function country() {
+        $response = file_get_contents('http://ip-api.com/json/{' . self::ip() . '}?fields=country,countryCode');
+        $data = json_decode($response);
+        return $data->country ?? 'UNKNOWN';
+    }
+
+    public static function userAgent() {
+        return $_SERVER['HTTP_USER_AGENT'] ?? 'UNKNOWN';
+    }
+}
+PHP;
+
+$files['WEBROOT/src/MVC/Classes/Cookie.php'] = <<<'PHP'
+<?php
+
+namespace MVC\Classes;
+
+class Cookie {
+    public function set(string $CookieName, int $CookieValue, int $CookieTime) {
+        setcookie($CookieName, $CookieValue, time()+($CookieTime*60));
+    }
+
+    public function read(string $CookieName) {
+        if (isset($_COOKIE[$CookieName])) {
+            return $_COOKIE[$CookieName];
+        }
+        return 'Cookie not set';
+    }
+
+    public function Delete(string $CookieName) {
+        setcookie($CookieName, "", time()-(3600*24));
+    }
+}
+PHP;
+
+$files['WEBROOT/src/MVC/Classes/Request.php'] = <<<'PHP'
+<?php
+
+namespace MVC\Classes;
+
+class Request {
+    public static function method() {
+        return $_SERVER['REQUEST_METHOD'] ?? 'UNKNOWN';
+    }
+
+    public static function uri() {
+        return $_SERVER['REQUEST_URI'] ?? 'UNKNOWN';
+    }
+
+    public static function headers() {
+        return getallheaders();
+    }
+
+    public static function body() {
+        return file_get_contents('php://input');
+    }
+
+    public static function queryParams() {
+        return $_GET;
+    }
+
+    public static function time() {
+        return $_SERVER['REQUEST_TIME'] ?? 'UNKNOWN';
+    }
+
+    public static function referrer() {
+        return $_SERVER['HTTP_REFERER'] ?? 'UNKNOWN';
+    }
+}
+PHP;
+
+$files['WEBROOT/src/MVC/Classes/Server.php'] = <<<'PHP'
+<?php
+
+namespace MVC\Classes;
+
+class Server {
+    public static function documentRoot() {
+        return $_SERVER['DOCUMENT_ROOT'] ?? 'UNKNOWN';
+    }
+
+    public static function currentDir() {
+        return __DIR__;
+    }
+
+    public static function currentScript() {
+        return $_SERVER['SCRIPT_NAME'] ?? 'UNKNOWN';
+    }
+
+    public static function name() {
+        return $_SERVER['SERVER_NAME'] ?? 'UNKNOWN';
+    }
+
+    public static function port() {
+        return $_SERVER['SERVER_PORT'] ?? 'UNKNOWN';
+    }
+}
+PHP;
 
 // --- CORE ---
 $files['WEBROOT/src/MVC/Core/Controller.php'] = <<<'PHP'
@@ -666,6 +809,7 @@ $files['WEBROOT/src/MVC/Layout/Templates/main.php'] = <<<'HTML'
         .btn-toggle:hover { background: rgba(255,255,255,0.1); }
         nav a { display: block; padding: 12px; text-decoration: none; color: inherit; border-radius: 5px; margin-bottom: 5px; }
         nav a:hover { background: rgba(0,0,0,0.05); }
+        nav a.active { background: rgba(0,0,0,0.05); }
         .logo { font-size: 1.4rem; font-weight: bold; }
     </style>
 </head>
@@ -692,10 +836,31 @@ $files['WEBROOT/src/MVC/Layout/Templates/main.php'] = <<<'HTML'
 HTML;
 
 // --- CONTROLLERS ---
+$files['WEBROOT/src/MVC/Controller/ApiController.php'] = <<<'PHP'
+<?php
+
+namespace MVC\Controller;
+
+use MVC\Core\Controller;
+use MVC\Classes\Api;
+
+class ApiController extends Controller {
+	public static function (){
+		return Api::jsonResponse([
+			'data' => 'DummyData',
+		]);
+	}
+}
+PHP;
+
 $files['WEBROOT/src/MVC/Controller/HomeController.php'] = <<<'PHP'
 <?php
 namespace MVC\Controller;
 use MVC\Core\Controller;
+use MVC\Classes\Client;
+use MVC\Classes\Cookie;
+use MVC\Classes\Request;
+use MVC\Classes\Server;
 class HomeController extends Controller {
 
     public function index() { 
@@ -718,6 +883,10 @@ $files['WEBROOT/src/MVC/Controller/TestController.php'] = <<<'PHP'
 <?php
 namespace MVC\Controller;
 use MVC\Core\Controller;
+use MVC\Classes\Client;
+use MVC\Classes\Cookie;
+use MVC\Classes\Request;
+use MVC\Classes\Server;
 class TestController extends Controller {
 
     public function service1() { 
@@ -750,7 +919,22 @@ $files['WEBROOT/src/MVC/View/test1.php'] = "<h1>Service 1</h1><p><?= \$msg ?></p
 $files['WEBROOT/src/MVC/View/test2.php'] = "<h1>System Check</h1><ul><?php foreach(\$data as \$k => \$v): ?><li><b><?= \$k ?>:</b> <?= \$v ?></li><?php endforeach; ?></ul>";
 
 // --- API ---
-$files['WEBROOT/api/v1/get.php'] = "<?php header('Content-Type: application/json'); echo json_encode(['status' => 'online']);";
+$files['WEBROOT/api/v1/get.php'] = <<<'PHP
+<?php 
+header('Content-Type: application/json'); 
+require_once __DIR__ . '/../../src/MVC/autoloader.php';
+
+use MVC\Controller\ApiController;
+
+$api = (new ApiController());
+
+try {
+	Api::jsonResponse($api->get());
+catch (\Exception $e) {
+	Api::jsonResponse(§e->getMessage(), 404);
+}
+
+PHP;
 
 // --- ENTRY POINT ---
 $files['WEBROOT/index.php'] = <<<'PHP'
@@ -772,11 +956,16 @@ try {
     
     // Sidebar Block
     ob_start();
+    $navItems = [
+        'home' => '🏠 Home', 
+        'test1' => '🛠️Test 1', 
+        'test2' => '📊 Test 2',
+    ];
     ?>
     <nav>
-        <a href="?service=home">🏠 Home</a>
-        <a href="?service=test1">🛠️ Test 1</a>
-        <a href="?service=test2">📊 Test 2</a>
+        <?php foreach ($navItems as $navKey => $navLabel): ?>
+            <a href="?service=<?= $navKey ?>" class="<?= $service === $navKey ? 'active' : '' ?>"><?= $navLabel ?></a>
+        <?php endforeach; ?>
     </nav>
     <?php
     $layout->setBlock('sidebar', ob_get_clean());
@@ -909,6 +1098,10 @@ $controllerContent = <<<PHPCTRL
 namespace MVC\Controller;
 
 use MVC\Core\Controller;
+use MVC\Classes\Client;
+use MVC\Classes\Cookie;
+use MVC\Classes\Request;
+use MVC\Classes\Server;
 // use MVC\Model\YourModel; // Importiere dein Model
 
 class {$className}Controller extends Controller {