diff --git a/.github/workflows/test-structarmed.yml b/.github/workflows/test-structarmed.yml
new file mode 100644
index 000000000000..cf0657f32b57
--- /dev/null
+++ b/.github/workflows/test-structarmed.yml
@@ -0,0 +1,96 @@
+# When a PR is opened or a push is made, perform
+# a static analysis check on the code using Structarmed.
+name: Structarmed
+
+on:
+  pull_request:
+    branches:
+      - 'develop'
+      - '4.*'
+    paths:
+      - 'app/**.php'
+      - 'system/**.php'
+      - 'tests/**.php'
+      - 'utils/**.php'
+      - '.github/workflows/test-structarmed.yml'
+      - composer.json
+      - structarmed.php
+      - '**.neon.dist'
+
+  push:
+    branches:
+      - 'develop'
+      - '4.*'
+    paths:
+      - 'app/**.php'
+      - 'system/**.php'
+      - 'tests/**.php'
+      - 'utils/**.php'
+      - '.github/workflows/test-structarmed.yml'
+      - composer.json
+      - structarmed.php
+      - '**.neon.dist'
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+    name: PHP ${{ matrix.php-version }} Analyze code (Structarmed)
+    runs-on: ubuntu-24.04
+    strategy:
+      fail-fast: false
+      matrix:
+        php-version:
+          - '8.2'
+          - '8.5'
+
+    steps:
+      - name: Checkout base branch for PR
+        if: github.event_name == 'pull_request'
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          ref: ${{ github.base_ref }}
+
+      - name: Checkout
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@accd6127cb78bee3e8082180cb391013d204ef9f # 2.37.0
+        with:
+          php-version: ${{ matrix.php-version }}
+          extensions: intl
+          tools: composer
+
+      - name: Validate composer.json
+        run: composer validate --strict
+
+      - name: Get composer cache directory
+        id: composer-cache
+        run: echo "COMPOSER_CACHE_FILES_DIR=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT
+
+      - name: Cache dependencies
+        uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
+        with:
+          path: ${{ steps.composer-cache.outputs.COMPOSER_CACHE_FILES_DIR }}
+          key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.json') }}
+          restore-keys: ${{ runner.os }}-composer-
+
+      - name: Install dependencies
+        run: composer update --ansi --no-interaction ${{ matrix.composer-option }}
+
+      - name: Structarmed Cache
+        uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
+        with:
+          path: /tmp/structarmed
+          key: ${{ runner.os }}-structarmed-${{ github.run_id }}
+          restore-keys: ${{ runner.os }}-structarmed-
+
+      - run: mkdir -p /tmp/structarmed
+
+      - name: Run static analysis
+        run: vendor/bin/structarmed analyze
diff --git a/composer.json b/composer.json
index ea3bf5391bad..d50630ceb136 100644
--- a/composer.json
+++ b/composer.json
@@ -17,6 +17,7 @@
         "psr/log": "^3.0"
     },
     "require-dev": {
+        "boundwize/structarmed": "0.4.0",
         "codeigniter/phpstan-codeigniter": "^1.5",
         "fakerphp/faker": "^1.24",
         "kint-php/kint": "^6.1",
diff --git a/structarmed.php b/structarmed.php
new file mode 100644
index 000000000000..13cbd93af2d2
--- /dev/null
+++ b/structarmed.php
@@ -0,0 +1,25 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+use Boundwize\StructArmed\Architecture;
+use Boundwize\StructArmed\Preset\Preset;
+use Boundwize\StructArmed\Preset\Presets\Psr4Preset;
+
+return Architecture::define()
+    ->skip([
+        Psr4Preset::CLASSES_MUST_MATCH_COMPOSER => [
+            __DIR__ . '/tests/system/Config/fixtures',
+        ],
+    ])
+    ->cacheDirectory(is_dir('/tmp') ? '/tmp/structarmed' : null)
+    ->withPreset(Preset::PSR4());