diff --git a/.github/workflows/comment-stalled.yml b/.github/workflows/comment-stalled.yml
new file mode 100644
index 00000000000000..62bd26f39eb72d
--- /dev/null
+++ b/.github/workflows/comment-stalled.yml
@@ -0,0 +1,20 @@
+name: Comment on issues and PRs when labelled stalled
+on:
+  issues:
+    types: [labeled]
+  pull_request_target:
+    types: [labeled]
+
+jobs:
+  staleComment:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Post comment
+        if: github.event.label.name == 'stalled'
+        env:
+            COMMENTS_URL: ${{ github.event.issue.comments_url || github.event.pull_request.comments_url }}
+        run: |
+          curl -X POST $COMMENTS_URL \
+          -H "Content-Type: application/json" \
+          -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
+          --data '{ "body": "This issue/PR was marked as stalled, it will be automatically closed in 30 days. If it should remain open, please leave a comment explaining why it should remain open." }'