diff --git a/.github/workflows/check-md.yml b/.github/workflows/check-md.yml
new file mode 100644
index 0000000000..59a3ffefc4
--- /dev/null
+++ b/.github/workflows/check-md.yml
@@ -0,0 +1,19 @@
+name: Check Markdown links
+
+on:
+  pull_request:
+    branches:
+    - main
+    - 'release/*'
+
+jobs:
+  markdown-link-check:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@master
+    - uses: gaurav-nelson/github-action-markdown-link-check@v1
+      with:
+        config-file: '.github/workflows/markdown.links.config.json'
+        check-modified-files-only: 'no' # TODO: set to 'yes' before merging
+        use-verbose-mode: 'yes'
+        use-quiet-mode: 'yes'
diff --git a/.github/workflows/markdown.links.config.json b/.github/workflows/markdown.links.config.json
new file mode 100644
index 0000000000..e89109c6df
--- /dev/null
+++ b/.github/workflows/markdown.links.config.json
@@ -0,0 +1,7 @@
+{
+    "ignorePatterns": [
+      {
+        "pattern": "^https://dummy-website.com"
+      }
+    ]
+}
diff --git a/tools/github-actions/download-build-output/readme.md b/tools/github-actions/download-build-output/readme.md
index ffb929fcb5..c4873c4945 100644
--- a/tools/github-actions/download-build-output/readme.md
+++ b/tools/github-actions/download-build-output/readme.md
@@ -4,7 +4,7 @@
 Download and restore the `dist` folders from GitHub artifact (check [Upload build output](../upload-build-output/readme.md))
 
 ## Task options
-See [Action specifications](tools/github-actions/download-build-output/action.yml) directly for more information about the supported parameters.
+See [Action specifications](./action.yml) directly for more information about the supported parameters.
 
 ## Usage example
 ```yaml
diff --git a/tools/github-actions/setup/readme.md b/tools/github-actions/setup/readme.md
index 1a7be2a101..32e7c62d53 100644
--- a/tools/github-actions/setup/readme.md
+++ b/tools/github-actions/setup/readme.md
@@ -9,7 +9,7 @@ Including :
 
 ## Task options
 
-See [Action specifications](tools/github-actions/setup/action.yml) directly for more information about the supported parameters.
+See [Action specifications](./action.yml) directly for more information about the supported parameters.
 
 ## Usage example
 
diff --git a/tools/github-actions/upload-build-output/readme.md b/tools/github-actions/upload-build-output/readme.md
index 19c3f3aeed..b2336d1886 100644
--- a/tools/github-actions/upload-build-output/readme.md
+++ b/tools/github-actions/upload-build-output/readme.md
@@ -8,7 +8,7 @@ You can then use the download build output action for the download (check [Downl
 
 ## Task options
 
-See [Action specifications](tools/github-actions/upload-build-output/action.yml) directly for more information about the supported parameters.
+See [Action specifications](./action.yml) directly for more information about the supported parameters.
 
 ## Usage example