diff --git a/rector.php b/rector.php
new file mode 100644
index 00000000000..3da647afd43
--- /dev/null
+++ b/rector.php
@@ -0,0 +1,48 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+use Rector\Config\RectorConfig;
+
+$config = RectorConfig::configure()
+	->withPaths([
+		__DIR__ . '/apps',
+		// __DIR__ . '/config',
+		// __DIR__ . '/core',
+		// __DIR__ . '/lib',
+		// __DIR__ . '/ocs',
+		// __DIR__ . '/ocs-provider',
+		// __DIR__ . '/tests',
+		// __DIR__ . '/themes',
+	])
+	->withSkip([
+		__DIR__ . '/apps/*/3rdparty/*',
+		__DIR__ . '/apps/*/build/stubs/*',
+		__DIR__ . '/apps/*/composer/*',
+		__DIR__ . '/apps/*/config/*',
+	])
+	// uncomment to reach your current PHP version
+	// ->withPhpSets()
+	->withTypeCoverageLevel(0);
+
+
+$ignoredEntries = shell_exec('git status --porcelain --ignored ' . escapeshellarg(__DIR__));
+$ignoredEntries = explode("\n", $ignoredEntries);
+$ignoredEntries = array_filter($ignoredEntries, static fn (string $line) => str_starts_with($line, '!! '));
+$ignoredEntries = array_map(static fn (string $line) => substr($line, 3), $ignoredEntries);
+$ignoredEntries = array_values($ignoredEntries);
+
+foreach ($ignoredEntries as $ignoredEntry) {
+	if (str_ends_with($ignoredEntry, '/')) {
+		$config->withSkip([$ignoredEntry . '*']);
+	} else {
+		$config->withSkip([$ignoredEntry . '/*']);
+	}
+}
+
+return $config;
diff --git a/vendor-bin/rector/composer.json b/vendor-bin/rector/composer.json
new file mode 100644
index 00000000000..b4d93da5e9d
--- /dev/null
+++ b/vendor-bin/rector/composer.json
@@ -0,0 +1,6 @@
+{
+    "require-dev": {
+        "rector/rector": "^1.2",
+        "nextcloud/rector": "^0.2.0"
+    }
+}
diff --git a/vendor-bin/rector/composer.lock b/vendor-bin/rector/composer.lock
new file mode 100644
index 00000000000..24280dea332
--- /dev/null
+++ b/vendor-bin/rector/composer.lock
@@ -0,0 +1,198 @@
+{
+    "_readme": [
+        "This file locks the dependencies of your project to a known state",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
+        "This file is @generated automatically"
+    ],
+    "content-hash": "10939f70efcd3b6d290ecf8f7e9d9da0",
+    "packages": [],
+    "packages-dev": [
+        {
+            "name": "nextcloud/rector",
+            "version": "v0.2.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/nextcloud-libraries/rector.git",
+                "reference": "c5cceb7faf2d4df61fe1fd8f82e19c7b106dbe00"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/nextcloud-libraries/rector/zipball/c5cceb7faf2d4df61fe1fd8f82e19c7b106dbe00",
+                "reference": "c5cceb7faf2d4df61fe1fd8f82e19c7b106dbe00",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^8.1"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^10.5",
+                "ramsey/devtools": "^2.0",
+                "rector/rector": "^1.2"
+            },
+            "type": "library",
+            "extra": {
+                "captainhook": {
+                    "force-install": true
+                },
+                "ramsey/conventional-commits": {
+                    "configFile": "conventional-commits.json"
+                },
+                "ramsey/devtools": {
+                    "command-prefix": "dev",
+                    "memory-limit": "-1"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Nextcloud\\Rector\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "AGPL-3.0-or-later"
+            ],
+            "authors": [
+                {
+                    "name": "Christoph Wurst",
+                    "email": "christoph@winzerhof-wurst.at",
+                    "homepage": "https://wuc.me"
+                }
+            ],
+            "description": "Rector upgrade rules for Nextcloud",
+            "keywords": [
+                "nextcloud",
+                "refactoring"
+            ],
+            "support": {
+                "issues": "https://github.com/nextcloud-libraries/rector/issues",
+                "source": "https://github.com/nextcloud-libraries/rector/tree/v0.2.0"
+            },
+            "time": "2024-09-19T09:54:28+00:00"
+        },
+        {
+            "name": "phpstan/phpstan",
+            "version": "1.12.4",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/phpstan/phpstan.git",
+                "reference": "ffa517cb918591b93acc9b95c0bebdcd0e4538bd"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/ffa517cb918591b93acc9b95c0bebdcd0e4538bd",
+                "reference": "ffa517cb918591b93acc9b95c0bebdcd0e4538bd",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.2|^8.0"
+            },
+            "conflict": {
+                "phpstan/phpstan-shim": "*"
+            },
+            "bin": [
+                "phpstan",
+                "phpstan.phar"
+            ],
+            "type": "library",
+            "autoload": {
+                "files": [
+                    "bootstrap.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "description": "PHPStan - PHP Static Analysis Tool",
+            "keywords": [
+                "dev",
+                "static analysis"
+            ],
+            "support": {
+                "docs": "https://phpstan.org/user-guide/getting-started",
+                "forum": "https://github.com/phpstan/phpstan/discussions",
+                "issues": "https://github.com/phpstan/phpstan/issues",
+                "security": "https://github.com/phpstan/phpstan/security/policy",
+                "source": "https://github.com/phpstan/phpstan-src"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/ondrejmirtes",
+                    "type": "github"
+                },
+                {
+                    "url": "https://github.com/phpstan",
+                    "type": "github"
+                }
+            ],
+            "time": "2024-09-19T07:58:01+00:00"
+        },
+        {
+            "name": "rector/rector",
+            "version": "1.2.5",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/rectorphp/rector.git",
+                "reference": "e98aa793ca3fcd17e893cfaf9103ac049775d339"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/rectorphp/rector/zipball/e98aa793ca3fcd17e893cfaf9103ac049775d339",
+                "reference": "e98aa793ca3fcd17e893cfaf9103ac049775d339",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.2|^8.0",
+                "phpstan/phpstan": "^1.12.2"
+            },
+            "conflict": {
+                "rector/rector-doctrine": "*",
+                "rector/rector-downgrade-php": "*",
+                "rector/rector-phpunit": "*",
+                "rector/rector-symfony": "*"
+            },
+            "suggest": {
+                "ext-dom": "To manipulate phpunit.xml via the custom-rule command"
+            },
+            "bin": [
+                "bin/rector"
+            ],
+            "type": "library",
+            "autoload": {
+                "files": [
+                    "bootstrap.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "description": "Instant Upgrade and Automated Refactoring of any PHP code",
+            "keywords": [
+                "automation",
+                "dev",
+                "migration",
+                "refactoring"
+            ],
+            "support": {
+                "issues": "https://github.com/rectorphp/rector/issues",
+                "source": "https://github.com/rectorphp/rector/tree/1.2.5"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/tomasvotruba",
+                    "type": "github"
+                }
+            ],
+            "time": "2024-09-08T17:43:24+00:00"
+        }
+    ],
+    "aliases": [],
+    "minimum-stability": "stable",
+    "stability-flags": [],
+    "prefer-stable": false,
+    "prefer-lowest": false,
+    "platform": [],
+    "platform-dev": [],
+    "plugin-api-version": "2.6.0"
+}