diff --git a/.github/workflows/tests-and-phpcs.yml b/.github/workflows/tests-and-phpcs.yml
new file mode 100644
index 0000000..defc6bb
--- /dev/null
+++ b/.github/workflows/tests-and-phpcs.yml
@@ -0,0 +1,22 @@
+name: Run Tests and PHPCS
+
+on:
+  push:
+    branches:
+      - "*"
+  pull_request:
+    branches:
+      - "*"
+jobs:
+  RunTestsAndPHPCS:
+    name: Run-Tests-And-PHPCS
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@master
+      - uses: php-actions/composer@v6
+      - uses: php-actions/composer@v6
+        with:
+          command: check-code
+      - uses: php-actions/composer@v6
+        with:
+          command: test
diff --git a/composer.json b/composer.json
index 22e60e5..c05341a 100644
--- a/composer.json
+++ b/composer.json
@@ -4,7 +4,7 @@
         "phpunit/phpunit": "^11.0"
     },
     "scripts": {
-        "check-code": "phpcs -s ./index.php",
+        "check-code": "phpcs -s ./index.php && phpcs -s adder.php && phpcs -s ./tests",
         "test": "phpunit ./tests"
     }
 }