diff --git a/php-packages/phpstan/.gitignore b/php-packages/phpstan/.gitignore
new file mode 100644
index 000000000..30e01fbd2
--- /dev/null
+++ b/php-packages/phpstan/.gitignore
@@ -0,0 +1,11 @@
+/vendor
+composer.lock
+composer.phar
+.DS_Store
+Thumbs.db
+tests/.phpunit.result.cache
+/tests/integration/tmp
+.vagrant
+.idea/*
+.vscode
+js/coverage-ts
diff --git a/php-packages/phpstan/composer.json b/php-packages/phpstan/composer.json
new file mode 100644
index 000000000..53f8fe8c0
--- /dev/null
+++ b/php-packages/phpstan/composer.json
@@ -0,0 +1,16 @@
+{
+    "name": "flarum/phpstan",
+    "description": "Flarum PHPStan extension",
+    "minimum-stability": "stable",
+    "license": "MIT",
+    "require": {
+        "phpstan/phpstan-php-parser": "^1.0"
+    },
+    "extra": {
+        "phpstan": {
+            "includes": [
+                "extension.neon"
+            ]
+        }
+    }
+}
diff --git a/php-packages/phpstan/extension.neon b/php-packages/phpstan/extension.neon
new file mode 100644
index 000000000..5c5bb94cc
--- /dev/null
+++ b/php-packages/phpstan/extension.neon
@@ -0,0 +1,13 @@
+inclues:
+    - vendor/phpstan/phpstan-php-parser/extension.neon
+parameters:
+    universalObjectCratesClasses:
+        - Illuminate\Http\Request
+    earlyTerminatingFunctionCalls:
+        - abort
+        - dd
+    excludePaths:
+        - *.blade.php
+    mixinExcludeClasses:
+        - Eloquent
+    checkGenericClassInNonGenericObjectType: false