diff --git a/.github/workflows/pr-playground-preview.yml b/.github/workflows/pr-playground-preview.yml
new file mode 100644
index 00000000..c9dc4fac
--- /dev/null
+++ b/.github/workflows/pr-playground-preview.yml
@@ -0,0 +1,47 @@
+name: PR Playground Preview
+
+on:
+  workflow_run:
+    workflows: ["Test"]
+    types:
+      - completed
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.workflow_run.head_branch }}
+  cancel-in-progress: true
+
+permissions: {}
+
+jobs:
+  playground-preview:
+    name: Add Playground preview to PR
+    runs-on: ubuntu-24.04
+    if: >
+      github.event.workflow_run.event == 'pull_request' &&
+      github.event.workflow_run.conclusion == 'success'
+    permissions:
+      contents: read
+      pull-requests: write
+
+    steps:
+      - name: Get PR number
+        id: pr
+        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
+        with:
+          script: |
+            const prs = await github.rest.pulls.list({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              head: `${context.payload.workflow_run.head_repository.owner.login}:${context.payload.workflow_run.head_branch}`,
+              state: 'open',
+            });
+            if (!prs.data.length) throw new Error('No open PR found for this branch');
+            core.setOutput('number', prs.data[0].number);
+
+      - name: Post Playground preview button
+        uses: WordPress/action-wp-playground-pr-preview@c8607529dac8d2bf9a1e8493865fc97cd1c3c87b # v2
+        with:
+          mode: append-to-description
+          plugin-path: .
+          pr-number: ${{ steps.pr.outputs.number }}
+          github-token: ${{ secrets.GITHUB_TOKEN }}