diff --git a/.github/workflows/demo.yml b/.github/workflows/demo.yml
new file mode 100644
index 0000000..f46ef5c
--- /dev/null
+++ b/.github/workflows/demo.yml
@@ -0,0 +1,40 @@
+name: Demo
+
+on: [push]
+
+jobs:
+  linux:
+    name: Linux Demo
+    runs-on: ubuntu-latest
+    steps:
+      - uses: franzdiebold/github-env-vars-action@v1.1.0
+      - name: Print environment variables
+        run: |
+          echo "GITHUB_REPOSITORY_OWNER=$GITHUB_REPOSITORY_OWNER"
+          echo "GITHUB_REPOSITORY_NAME=$GITHUB_REPOSITORY_NAME"
+          echo "GITHUB_REF_NAME=$GITHUB_REF_NAME"
+          echo "GITHUB_SHA_SHORT=$GITHUB_SHA_SHORT"
+
+  windows:
+    name: Windows Demo
+    runs-on: windows-latest
+    steps:
+      - uses: franzdiebold/github-env-vars-action@v1.1.0
+      - name: Print environment variables
+        run: |
+          echo "GITHUB_REPOSITORY_OWNER=$GITHUB_REPOSITORY_OWNER"
+          echo "GITHUB_REPOSITORY_NAME=$GITHUB_REPOSITORY_NAME"
+          echo "GITHUB_REF_NAME=$GITHUB_REF_NAME"
+          echo "GITHUB_SHA_SHORT=$GITHUB_SHA_SHORT"
+
+  macos:
+    name: macOS Demo
+    runs-on: macos-latest
+    steps:
+      - uses: franzdiebold/github-env-vars-action@v1.1.0
+      - name: Print environment variables
+        run: |
+          echo "GITHUB_REPOSITORY_OWNER=$GITHUB_REPOSITORY_OWNER"
+          echo "GITHUB_REPOSITORY_NAME=$GITHUB_REPOSITORY_NAME"
+          echo "GITHUB_REF_NAME=$GITHUB_REF_NAME"
+          echo "GITHUB_SHA_SHORT=$GITHUB_SHA_SHORT"
diff --git a/README.md b/README.md
index d83f3ab..52ebe55 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,9 @@
 # :octocat: :rocket: GitHub Environment Variables Action
 
+[![GitHub Action: View on Marketplace](https://img.shields.io/badge/GitHub%20Action-View_on_Marketplace-28a745?logo=github)](https://github.com/marketplace/actions/github-environment-variables-action)
+[![Demo: available](https://img.shields.io/badge/Demo-available-orange)](https://github.com/FranzDiebold/github-env-vars-action/actions/)
+[version](https://img.shields.io/github/package-json/v/FranzDiebold/github-env-vars-action/primary?label=version)
 [![license: MIT](https://img.shields.io/badge/license-MIT-brightgreen.svg)](./LICENSE)
-[version](https://img.shields.io/github/package-json/v/FranzDiebold/github-env-vars-action)
 
 A [GitHub Action](https://github.com/features/actions) to expose useful environment variables.