diff --git a/.github/workflows/codex-probe.yml b/.github/workflows/codex-probe.yml
new file mode 100644
index 0000000000..4aeed856d5
--- /dev/null
+++ b/.github/workflows/codex-probe.yml
@@ -0,0 +1,10 @@
+name: Codex Probe
+on:
+  workflow_dispatch:
+permissions:
+  contents: read
+jobs:
+  noop:
+    runs-on: ubuntu-latest
+    steps:
+      - run: echo probe