diff --git a/.github/workflows/test-forbidden-ismodloaded.yml b/.github/workflows/test-forbidden-ismodloaded.yml
new file mode 100644
index 000000000..1a0b15188
--- /dev/null
+++ b/.github/workflows/test-forbidden-ismodloaded.yml
@@ -0,0 +1,18 @@
+name: Forbidden isModLoaded
+
+on:
+  pull_request:
+    branches: [ master, main ]
+  push:
+    branches: [ master, main ]
+
+jobs:
+  test-forbidden-getmoditems:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Detect forbidden isModLoaded calls
+        shell: bash
+        run: |
+          ! grep -E -r 'getModItem\((BartWorks|GalactiGreg|GGFab|GoodGenerator|GTNHLanthanides|GregTech|GTPlusPlus|KekzTech|KubaTech|TecTech|NEIOrePlugin|NewHorizonsCoreMod)\.isModLoaded' src/main/java