diff --git a/.gitea/workflows/markdown-linters.yaml b/.gitea/workflows/markdown-linters.yaml
new file mode 100644
index 0000000..74e81ea
--- /dev/null
+++ b/.gitea/workflows/markdown-linters.yaml
@@ -0,0 +1,22 @@
+name: Markdown linter
+
+on:
+  pull_request:
+    types: [ "opened", "reopened", "synchronize" ]
+  push:
+    branches:
+    - '**'
+    tags-ignore:
+    - '**'
+  workflow_dispatch: {}
+
+jobs:
+  markdown-lint:
+    container:
+      image: git.cryptic.systems/volker.raschek/markdownlint:0.44.0
+    runs-on:
+    - ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4.2.2
+    - name: Lint Markdown files
+      run: markdownlint --config .markdownlint.yaml .
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diff --git a/.gitea/workflows/sync.yaml b/.gitea/workflows/sync.yaml
new file mode 100644
index 0000000..f56b002
--- /dev/null
+++ b/.gitea/workflows/sync.yaml
@@ -0,0 +1,36 @@
+name: Markdown linter
+
+on:
+  pull_request:
+    types: [ "opened", "reopened", "synchronize" ]
+  push:
+    tags:
+    - '**'
+
+jobs:
+  markdown-lint:
+    env:
+      AUR_SSH_KEY: ${{ secrets.AUR_SSH_KEY }}
+    runs-on:
+    - ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4.2.2
+    - name: Configure SSH client
+      run: |
+        mkdir ~/.ssh
+        chmod 0700 ~/.ssh
+
+        echo "${AUR_SSH_KEY}" | base64 --decode > ~/.ssh/id
+        chmod 0600 ~/.ssh/id
+
+        cat > ~/.ssh/config <<EOF
+        Host *
+          IdentityFile ~/.ssh/id
+          StrictHostKeyChecking no
+        EOF
+    - name: Push
+      run: |
+        git push ssh://aur@aur.archlinux.org/mint-backgrounds.git
+    - name: Remove SSH client configuration
+      run: |
+        rm -rf ~/.ssh
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