diff --git a/.github/workflows/code-standards.yml b/.github/workflows/code-standards.yml
new file mode 100644
index 0000000..df9b7de
--- /dev/null
+++ b/.github/workflows/code-standards.yml
@@ -0,0 +1,36 @@
+name: PHP Code Standards
+
+on:
+  workflow_call:
+    inputs:
+      version:
+        type: string
+        default: "^3.0"
+      config:
+        type: string
+        default: ".php-cs-fixer.dist.php"
+      path:
+        type: string
+        default: ""
+
+permissions:
+  contents: read
+
+jobs:
+    php_code_standards:
+      runs-on: ubuntu-latest
+      name: PHP Code Standards
+      steps:
+      - uses: actions/checkout@v4
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: '8.2'
+      - name: Run PHP CS Fixer
+        run: |
+          composer install
+          composer global require friendsofphp/php-cs-fixer:${{ inputs.version }}
+          ~/.composer/vendor/bin/php-cs-fixer fix \
+            --config=${{ inputs.config }} \
+            ${{ inputs.path }} \
+            --dry-run --diff
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
new file mode 100644
index 0000000..0fc658b
--- /dev/null
+++ b/.github/workflows/lint.yml
@@ -0,0 +1,11 @@
+name: Lint
+
+on:
+  pull_request:
+
+jobs:
+  code-standards:
+    uses: GoogleCloudPlatform/php-tools/.github/workflows/code-standards.yml@reusable-workflow
+
+  static-analysis:
+    uses: GoogleCloudPlatform/php-tools/.github/workflows/static-analysis.yml@reusable-workflow
diff --git a/.github/workflows/static-analysis.yml b/.github/workflows/static-analysis.yml
new file mode 100644
index 0000000..cb831d6
--- /dev/null
+++ b/.github/workflows/static-analysis.yml
@@ -0,0 +1,37 @@
+name: PHP Static Analysis
+on:
+  workflow_call:
+    inputs:
+      version:
+        type: string
+        default: "^1.8"
+      paths:
+        type: string
+        default: "src"
+      autoload-file:
+        type: string
+        default: "vendor/autoload.php"
+      level:
+        type: number
+        default: 0
+
+permissions:
+  contents: read
+
+jobs:
+    static_analysis:
+      runs-on: ubuntu-latest
+      name: PHPStan Static Analysis
+      steps:
+      - uses: actions/checkout@v4
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: '8.2'
+      - name: Run Script
+        run: |
+          composer install
+          composer global require phpstan/phpstan:${{ inputs.version }}
+          ~/.composer/vendor/bin/phpstan analyse ${{ inputs.paths }} \
+            --autoload-file=${{ inputs.autoload-file }} \
+            --level=${{ inputs.level }}