diff --git a/.github/workflows/link-check.yml b/.github/workflows/link-check.yml
new file mode 100644
index 0000000..a39076a
--- /dev/null
+++ b/.github/workflows/link-check.yml
@@ -0,0 +1,20 @@
+name: Markdown Link Check
+
+on:
+  push:
+    branches: [ "*" ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  link-check:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: gaurav-nelson/github-action-markdown-link-check@v1
+        with:
+          use-verbose-mode: "yes"
+          check-modified-files-only: "no"          # full scan first time
+          folder-path: '.'                         # whole repo
+          file-extension: '.md'
+          config-file: '.markdown-link-check.json' # optional later