diff --git a/.gitea/workflows/validate.yaml b/.gitea/workflows/validate.yaml
new file mode 100644
index 0000000..666b109
--- /dev/null
+++ b/.gitea/workflows/validate.yaml
@@ -0,0 +1,58 @@
+name: Validate Manifests
+
+on:
+  pull_request:
+    branches: [main]
+
+jobs:
+  validate:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Install kubeconform
+        run: |
+          curl -sL https://github.com/yannh/kubeconform/releases/download/v0.6.7/kubeconform-linux-amd64.tar.gz \
+            | tar xz -C /usr/local/bin
+          chmod +x /usr/local/bin/kubeconform
+
+      - name: Schema validation (kubeconform)
+        run: |
+          find . -name '*.yaml' -o -name '*.yml' \
+            | grep -v '\.gitea/' \
+            | sort \
+            | xargs kubeconform \
+                -strict \
+                -ignore-missing-schemas \
+                -kubernetes-version 1.30.0 \
+                -summary
+
+      - name: Install kubectl
+        run: |
+          K8S_VER=$(curl -sL https://dl.k8s.io/release/stable.txt)
+          curl -sLO "https://dl.k8s.io/release/${K8S_VER}/bin/linux/amd64/kubectl"
+          chmod +x kubectl && mv kubectl /usr/local/bin/kubectl
+
+      - name: Server-side dry-run (CRD existence check)
+        env:
+          KUBECONFIG_DATA: ${{ secrets.KUBECONFIG }}
+        run: |
+          echo "$KUBECONFIG_DATA" | base64 -d > /tmp/kube.yaml
+          # Apply all YAML files in sorted order — server-side dry-run rejects
+          # any apiVersion/Kind whose CRD is not installed in the cluster.
+          find . -name '*.yaml' -o -name '*.yml' \
+            | grep -v '\.gitea/' \
+            | sort \
+            | xargs -I{} kubectl apply \
+                --dry-run=server \
+                --kubeconfig /tmp/kube.yaml \
+                -f {} 2>&1 \
+            | tee /tmp/dryrun.log
+          rm -f /tmp/kube.yaml
+          # Fail if any "no kind is registered" or "no matches for kind" errors
+          if grep -qE "no kind is registered|no matches for kind|unknown field" /tmp/dryrun.log; then
+            echo "❌ Dry-run found unknown resources or fields — manifests reference CRDs not installed in the cluster"
+            exit 1
+          fi
+          echo "✅ All manifests passed server-side dry-run"