diff --git a/deltazeus/marlin/.vscode/extensions.json b/deltazeus/marlin/.vscode/extensions.json
new file mode 100644
index 0000000..080e70d
--- /dev/null
+++ b/deltazeus/marlin/.vscode/extensions.json
@@ -0,0 +1,10 @@
+{
+    // See http://go.microsoft.com/fwlink/?LinkId=827846
+    // for the documentation about the extensions.json format
+    "recommendations": [
+        "platformio.platformio-ide"
+    ],
+    "unwantedRecommendations": [
+        "ms-vscode.cpptools-extension-pack"
+    ]
+}