diff --git a/.github/workflows/lint-php-cs.yml b/.github/workflows/lint-php-cs.yml
new file mode 100644
index 0000000..d7a1522
--- /dev/null
+++ b/.github/workflows/lint-php-cs.yml
@@ -0,0 +1,48 @@
+# SPDX-FileCopyrightText: 2021-2024 Nextcloud GmbH and Nextcloud contributors
+# SPDX-FileCopyrightText: 2026 LibreCode coop and contributors
+# SPDX-License-Identifier: MIT
+
+name: Lint php-cs
+
+on:
+  workflow_call:
+
+permissions:
+  contents: read
+
+concurrency:
+  group: lint-php-cs-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    name: php-cs
+    steps:
+      - name: Checkout
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+        with:
+          persist-credentials: false
+
+      - name: Get php version
+        id: versions
+        uses: nextcloud-libraries/nextcloud-version-matrix@cd0211ffcef1065e2020cd579e4843b8746e7a58 # v1.3.3
+
+      - name: Set up php${{ steps.versions.outputs.php-min }}
+        uses: shivammathur/setup-php@f3e473d116dcccaddc5834248c87452386958240 # 2.37.2
+        with:
+          php-version: ${{ steps.versions.outputs.php-min }}
+          extensions: bz2, ctype, curl, dom, fileinfo, gd, iconv, intl, json, libxml, mbstring, openssl, pcntl, posix, session, simplexml, xmlreader, xmlwriter, zip, zlib, sqlite, pdo_sqlite
+          coverage: none
+          ini-file: development
+        env:
+          GITHUB_TOKEN: ${{ github.token }}
+
+      - name: Remove nextcloud/ocp
+        run: composer remove nextcloud/ocp --dev --no-scripts
+
+      - name: Install composer dependencies
+        uses: ramsey/composer-install@65e4f84970763564f46a70b8a54b90d033b3bdda # 4.0.0
+
+      - name: Lint
+        run: composer run cs:check
diff --git a/.github/workflows/lint-php.yml b/.github/workflows/lint-php.yml
new file mode 100644
index 0000000..bfbca76
--- /dev/null
+++ b/.github/workflows/lint-php.yml
@@ -0,0 +1,77 @@
+# SPDX-FileCopyrightText: 2021-2024 Nextcloud GmbH and Nextcloud contributors
+# SPDX-FileCopyrightText: 2026 LibreCode coop and contributors
+# SPDX-License-Identifier: MIT
+
+name: Lint php
+
+on:
+  workflow_call:
+
+permissions:
+  contents: read
+
+concurrency:
+  group: lint-php-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
+jobs:
+  matrix:
+    runs-on: ubuntu-latest
+    outputs:
+      php-min: ${{ steps.versions.outputs.php-min }}
+      php-max: ${{ steps.versions.outputs.php-max }}
+    steps:
+      - name: Checkout app
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+        with:
+          persist-credentials: false
+
+      - name: Get version matrix
+        id: versions
+        uses: nextcloud-libraries/nextcloud-version-matrix@cd0211ffcef1065e2020cd579e4843b8746e7a58 # v1.3.3
+
+  php-lint:
+    runs-on: ubuntu-latest
+    needs: matrix
+    strategy:
+      matrix:
+        php-versions:
+          - '${{ needs.matrix.outputs.php-min }}'
+          - '${{ needs.matrix.outputs.php-max }}'
+
+    name: php-lint
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+        with:
+          persist-credentials: false
+
+      - name: Set up php ${{ matrix.php-versions }}
+        uses: shivammathur/setup-php@f3e473d116dcccaddc5834248c87452386958240 # 2.37.2
+        with:
+          php-version: ${{ matrix.php-versions }}
+          extensions: bz2, ctype, curl, dom, fileinfo, gd, iconv, intl, json, libxml, mbstring, openssl, pcntl, posix, session, simplexml, xmlreader, xmlwriter, zip, zlib, sqlite, pdo_sqlite
+          coverage: none
+          ini-file: development
+        env:
+          GITHUB_TOKEN: ${{ github.token }}
+
+      - name: Lint
+        run: composer run lint
+
+  summary:
+    permissions:
+      contents: none
+    runs-on: ubuntu-latest
+    needs: php-lint
+    if: always()
+    name: php-lint-summary
+    steps:
+      - name: Summary status
+        env:
+          RESULT: ${{ needs.php-lint.result }}
+        run: |
+          if [ "$RESULT" != "success" ] && [ "$RESULT" != "skipped" ]; then
+            exit 1
+          fi
diff --git a/workflow-templates/lint-php-cs.properties.json b/workflow-templates/lint-php-cs.properties.json
new file mode 100644
index 0000000..e97fd80
--- /dev/null
+++ b/workflow-templates/lint-php-cs.properties.json
@@ -0,0 +1,11 @@
+{
+  "name": "Lint PHP coding standards",
+  "description": "Run the project's PHP coding standards check using the minimum supported PHP version.",
+  "iconName": "octicon check-circle",
+  "categories": [
+    "PHP"
+  ],
+  "filePatterns": [
+    "^composer.json$"
+  ]
+}
diff --git a/workflow-templates/lint-php-cs.properties.json.license b/workflow-templates/lint-php-cs.properties.json.license
new file mode 100644
index 0000000..1ce4e0c
--- /dev/null
+++ b/workflow-templates/lint-php-cs.properties.json.license
@@ -0,0 +1,2 @@
+SPDX-FileCopyrightText: 2026 LibreCode coop and contributors
+SPDX-License-Identifier: AGPL-3.0-or-later
diff --git a/workflow-templates/lint-php-cs.yml b/workflow-templates/lint-php-cs.yml
new file mode 100644
index 0000000..04b650d
--- /dev/null
+++ b/workflow-templates/lint-php-cs.yml
@@ -0,0 +1,16 @@
+# SPDX-FileCopyrightText: 2026 LibreCode coop and contributors
+# SPDX-License-Identifier: AGPL-3.0-or-later
+
+# This workflow is published through the LibreCode organization catalog.
+# Implementation: LibreCodeCoop/github-workflows
+
+name: Lint php-cs
+
+on: pull_request
+
+permissions:
+  contents: read
+
+jobs:
+  lint-php-cs:
+    uses: LibreCodeCoop/github-workflows/.github/workflows/lint-php-cs.yml@bc97b54e3d33d58d6075a0994883acde00f0556c
diff --git a/workflow-templates/lint-php.properties.json b/workflow-templates/lint-php.properties.json
new file mode 100644
index 0000000..7da9558
--- /dev/null
+++ b/workflow-templates/lint-php.properties.json
@@ -0,0 +1,12 @@
+{
+  "name": "Lint PHP",
+  "description": "Lint PHP code against the minimum and maximum PHP versions supported by the app.",
+  "iconName": "octicon code-square",
+  "categories": [
+    "PHP"
+  ],
+  "filePatterns": [
+    "^composer.json$",
+    "^appinfo/info.xml$"
+  ]
+}
diff --git a/workflow-templates/lint-php.properties.json.license b/workflow-templates/lint-php.properties.json.license
new file mode 100644
index 0000000..1ce4e0c
--- /dev/null
+++ b/workflow-templates/lint-php.properties.json.license
@@ -0,0 +1,2 @@
+SPDX-FileCopyrightText: 2026 LibreCode coop and contributors
+SPDX-License-Identifier: AGPL-3.0-or-later
diff --git a/workflow-templates/lint-php.yml b/workflow-templates/lint-php.yml
new file mode 100644
index 0000000..a54876f
--- /dev/null
+++ b/workflow-templates/lint-php.yml
@@ -0,0 +1,16 @@
+# SPDX-FileCopyrightText: 2026 LibreCode coop and contributors
+# SPDX-License-Identifier: AGPL-3.0-or-later
+
+# This workflow is published through the LibreCode organization catalog.
+# Implementation: LibreCodeCoop/github-workflows
+
+name: Lint php
+
+on: pull_request
+
+permissions:
+  contents: read
+
+jobs:
+  lint-php:
+    uses: LibreCodeCoop/github-workflows/.github/workflows/lint-php.yml@bc97b54e3d33d58d6075a0994883acde00f0556c