diff --git a/src/Classes/App.php b/src/Classes/App.php
index 14790422..748f484e 100644
--- a/src/Classes/App.php
+++ b/src/Classes/App.php
@@ -78,6 +78,23 @@ public static function getModulesDirName(): string
         return self::$modulesDir;
     }
 
+    public static function getMmlcVersion(): string
+    {
+        $path = self::getRoot() . '/config/version.json';
+        if (!file_exists($path)) {
+            return '';
+        }
+
+        $json = file_get_contents($path);
+        $version = json_decode($json);
+
+        if (!$version) {
+            return ''; // Better throw an exception
+        }
+
+        return $version->version;
+    }
+
     public static function start(): void
     {
         $serverRequest = self::getServerRequest();
diff --git a/src/Classes/Module.php b/src/Classes/Module.php
index 90690964..642f3240 100644
--- a/src/Classes/Module.php
+++ b/src/Classes/Module.php
@@ -451,6 +451,10 @@ public function isCompatible(): bool
             return false;
         }
 
+        if (!$this->isCompatibleWithMmlc()) {
+            return false;
+        }
+
         return true;
     }
 
@@ -486,6 +490,26 @@ public function isCompatibleWithPhp(): bool
         return $comparator->satisfiesOr($phpVersionInstalled, $phpVersionContraint);
     }
 
+    /**
+     * Version 1.20.0 is the last version without isCompatibleWithMmlc()
+     */
+    public function isCompatibleWithMmlc(): bool
+    {
+        $mmlcVersionInstalled = App::getMmlcVersion();
+        if (!$mmlcVersionInstalled) {
+            return false;
+        }
+
+        $mmlc = $this->getMmlc();
+        $mmlcVersionContraint = $mmlc['version'] ?? '^1.20.0';
+        if (!$mmlcVersionContraint) {
+            return true;
+        }
+
+        $comparator = new Comparator(new Parser());
+        return $comparator->satisfiesOr($mmlcVersionInstalled, $mmlcVersionContraint);
+    }
+
     public function getTemplateFiles($file): array
     {
         $files = [];
diff --git a/src/Classes/ModuleConverter.php b/src/Classes/ModuleConverter.php
index 8c60941f..da7439f8 100644
--- a/src/Classes/ModuleConverter.php
+++ b/src/Classes/ModuleConverter.php
@@ -38,7 +38,8 @@ public static function convertToArray(Module $module): array
             'price' => $module->getPrice(),
             'autoload' => $module->getAutoload(),
             'tags' => $module->getTags(),
-            'php' => $module->getPhp()
+            'php' => $module->getPhp(),
+            'mmlc' => $module->getMmlc()
         ];
 
         $moduleArray = [
diff --git a/src/Classes/ModuleFactory.php b/src/Classes/ModuleFactory.php
index 7b89e4b0..9e999b3b 100644
--- a/src/Classes/ModuleFactory.php
+++ b/src/Classes/ModuleFactory.php
@@ -85,6 +85,7 @@ public static function createFromArray(array $array): Module
         $module->setAutoload($autoload);
         $module->setTags($array['tags'] ?? '');
         $module->setPhp($array['php'] ?? []);
+        $module->setMmlc($array['mmlc'] ?? []);
 
         // Module
         $module->setLocalRootPath($array['localRootPath'] ?? '');
diff --git a/src/Classes/ModuleInfo.php b/src/Classes/ModuleInfo.php
index 339157f3..8bf3b06b 100644
--- a/src/Classes/ModuleInfo.php
+++ b/src/Classes/ModuleInfo.php
@@ -169,13 +169,23 @@ class ModuleInfo
      * Mit welchen Version von PHP ist das Modul kompatible.
      *
      * Beispiel: [
-     *     'version' => '^7.4 || ^8.0'
+     *     'version' => '^7.4.0 || ^8.0.0'
      * ]
      *
      * @var array
      */
     protected $php;
 
+    /**
+     * Mit welchen Version von PHP ist das Modul kompatible.
+     *
+     * Beispiel: [
+     *     'version' => '^1.20.0'
+     * ]
+     *
+     * @var array
+     */
+    protected $mmlc;
 
     public function getName(): string
     {
@@ -372,4 +382,14 @@ public function setPhp(array $value): void
     {
         $this->php = $value;
     }
+
+    public function getMmlc(): array
+    {
+        return $this->mmlc;
+    }
+
+    public function setMmlc(array $value): void
+    {
+        $this->mmlc = $value;
+    }
 }
diff --git a/src/Classes/ViewModels/ModuleViewModel.php b/src/Classes/ViewModels/ModuleViewModel.php
index 407a288b..033d9968 100644
--- a/src/Classes/ViewModels/ModuleViewModel.php
+++ b/src/Classes/ViewModels/ModuleViewModel.php
@@ -13,6 +13,7 @@
 
 namespace RobinTheHood\ModifiedModuleLoaderClient\ViewModels;
 
+use RobinTheHood\ModifiedModuleLoaderClient\App;
 use RobinTheHood\ModifiedModuleLoaderClient\Module;
 use RobinTheHood\ModifiedModuleLoaderClient\ModuleStatus;
 use RobinTheHood\ModifiedModuleLoaderClient\ShopInfo;
@@ -203,7 +204,12 @@ public function getCompatibleStrings(): array
 
         if (!$this->module->isCompatibleWithPhp()) {
             $version = phpversion();
-            $array[] = "Dieses Modul wurde noch nicht mit deiner PHP Version getestet. Du hast PHP Version <strong>$version</strong> installiert.";
+            $array[] = "Dieses Modul wurde noch nicht mit deiner PHP Version getestet. Du verwendest die PHP Version <strong>$version</strong>.";
+        }
+
+        if (!$this->module->isCompatibleWithMmlc()) {
+            $version = App::getMmlcVersion();
+            $array[] = "Dieses Modul wurde noch nicht mit deiner MMLC Version getestet. Du verwendest die MMLC Version <strong>$version</strong>.";
         }
 
         return $array;
diff --git a/src/Templates/ModuleInfo.tmpl.php b/src/Templates/ModuleInfo.tmpl.php
index 5646af7f..94c404c5 100644
--- a/src/Templates/ModuleInfo.tmpl.php
+++ b/src/Templates/ModuleInfo.tmpl.php
@@ -284,6 +284,19 @@
                                             </td>
                                         </tr>
 
+                                        <tr>
+                                            <td>Kompatibel mit MMLC</td>
+                                            <td>
+                                                <?php if (true || $module->getMmlc()) { ?>
+                                                    <?php foreach (explode('||', $module->getMmlc()['version'] ?? '^1.20.0') as $version) { ?>
+                                                        <span class="badge badge-secondary"><?= trim($version); ?></span>
+                                                    <?php } ?>
+                                                <?php } else { ?>
+                                                    unbekannt
+                                                <?php } ?>
+                                            </td>
+                                        </tr>
+
                                         <?php if ($module->getTags()) { ?>
                                             <tr>
                                                 <td>Tags</td>