diff --git a/ci-templates/github/model-validation/action.yml b/ci-templates/github/model-validation/action.yml
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+# SPDX-FileCopyrightText: Copyright DB Netz AG and the capella-collab-manager contributors
+# SPDX-License-Identifier: Apache-2.0
+
+name: "Capella Model-Validation"
+description: "An action to validate a Capella model."
+
+inputs:
+  entry_point:
+    description: "The entry point of the used model"
+  capella_version:
+    description: "The version of the Capella model"
+  capella_docker_images_revision:
+    description: "The revision of capella-dockerimages to use"
+    default: main
+  capella_docker_images_dropins:
+    description: "Please have a look at https://dsd-dbs.github.io/capella-dockerimages/capella/introduction/#supported-dropins"
+    required: false
+    default: selected
+  github_token:
+    description: "The GitHub token for authentication"
+
+runs:
+  using: "composite"
+  steps:
+    - name: Set up Python 3.11
+      uses: actions/setup-python@v3
+      with:
+        python-version: 3.11
+    - name: Extract branch name and print
+      shell: bash
+      run: echo "Branch is $(echo ${{ github.ref }} | cut -d'/' -f3)"
+    - name: Authenticate to GitHub Container Registry
+      shell: bash
+      run: docker login ghcr.io -u ${{ github.actor }} --password-stdin <<< "${{ inputs.github_token }}"
+    - name: Pull Capella Docker image
+      shell: bash
+      run: docker pull ghcr.io/dsd-dbs/capella-dockerimages/capella/base:${{ inputs.capella_version }}-${{ inputs.capella_docker_images_dropins }}-dropins-${{ inputs.capella_docker_images_revision }}
+    - name: Execute Model-Validation with Capella CLI
+      shell: bash
+      env:
+        BUILD_DIR: $(pwd)
+      run: >
+        docker run --name capella-pod -d ghcr.io/dsd-dbs/capella-dockerimages/capella/base:${{ inputs.capella_version }}-${{ inputs.capella_docker_images_dropins }}-dropins-${{ inputs.capella_docker_images_revision }} /bin/sh -c "while sleep 3600; do :; done"
+        docker exec capella-pod git config --global --add safe.directory $GITHUB_WORKSPACE
+        docker exec capella-pod git fetch
+        docker exec capella-pod [ ! -z $CI_COMMIT_BRANCH ] && git reset --hard origin/$CI_COMMIT_BRANCH
+        docker exec capella-pod mkdir /tmp/project
+        docker exec capella-pod cp -r . /tmp/project
+        docker exec capella-pod xvfb-run /opt/capella/capella -nosplash -application org.polarsys.capella.core.commandline.core -appid org.polarsys.capella.core.validation.commandline -data "$(pwd)" -input "project/{{ inputs.entry_point }}" -outputfolder "project/validation"
+        docker exec capella-pod cp "/tmp/project/validation/project/{{ inputs.entry_point }}/validation-results.html" $BUILD_DIR
+    - name: Archive model-validation in artifacts
+      uses: actions/upload-artifact@v3
+      env:
+        ARTIFACTS: $(pwd)
+      with:
+        name: Validation reports
+        path: ARTIFACTS