diff --git a/.github/workflows/pr-lint.yml b/.github/workflows/pr-lint.yml
new file mode 100644
index 0000000..f891332
--- /dev/null
+++ b/.github/workflows/pr-lint.yml
@@ -0,0 +1,24 @@
+name: PR Lint
+
+on:
+  pull_request:
+    types: [opened, edited, reopened]
+
+permissions: {}
+
+jobs:
+  lint-title:
+    runs-on: ${{ github.server_url == 'https://github.com' && 'ubuntu-latest' || 'self-hosted' }}
+    steps:
+      - name: Validate PR title follows Conventional Commits
+        env:
+          PR_TITLE: ${{ github.event.pull_request.title }}
+        run: |
+          pattern='^(build|chore|ci|docs|feat|fix|perf|refactor|revert|style|test)(\(.+\))?!?: .+'
+          if [[ ! "$PR_TITLE" =~ $pattern ]]; then
+            echo "::error::PR title \"$PR_TITLE\" does not follow Conventional Commits."
+            echo "Expected format: <type>(optional scope): <description>"
+            echo "Allowed types: build, chore, ci, docs, feat, fix, perf, refactor, revert, style, test"
+            exit 1
+          fi
+          echo "PR title \"$PR_TITLE\" follows Conventional Commits."