diff --git a/.github/workflows/welcome.yml b/.github/workflows/welcome.yml
new file mode 100644
index 0000000..3c514e5
--- /dev/null
+++ b/.github/workflows/welcome.yml
@@ -0,0 +1,15 @@
+name: Post welcome comment
+on:
+  pull_request:
+    types: [opened]
+permissions:
+  pull-requests: write
+jobs:
+  welcome:
+    name: Post welcome comment
+    runs-on: ubuntu-latest
+    steps:
+      - run: gh pr comment "$PR_URL" --body "Welcome to the repository!"
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          PR_URL: ${{ github.event.pull_request.html_url }}