diff --git a/cinderx/TestScripts/test_build_modes.sh b/cinderx/TestScripts/test_build_modes.sh
new file mode 100755
index 00000000000..430630b119b
--- /dev/null
+++ b/cinderx/TestScripts/test_build_modes.sh
@@ -0,0 +1,23 @@
+#!/bin/bash
+
+set -xe
+set -o pipefail
+
+cd "$(dirname $(readlink -f $0))"/../
+
+# # Only debug builds have sys.gettotalrefcount()
+buck2 run @fbcode//mode/dbg fbcode//cinderx:python3.10 -- -c 'import sys; sys.gettotalrefcount()'
+buck2 run @fbcode//mode/dev fbcode//cinderx:python3.10 -- -c 'import sys; sys.gettotalrefcount()'
+! buck2 run @fbcode//mode/opt fbcode//cinderx:python3.10 -- -c 'import sys; sys.gettotalrefcount()'
+
+# # Only ASAN builds should have the ASAN API avilable through ctypes
+! buck2 run @fbcode//mode/dbg fbcode//cinderx:python3.10 -- -c 'import ctypes; ctypes.pythonapi.__asan_default_options()'
+buck2 run @fbcode//mode/dev fbcode//cinderx:python3.10 -- -c 'import ctypes; ctypes.pythonapi.__asan_default_options()'
+! buck2 run @fbcode//mode/opt fbcode//cinderx:python3.10 -- -c 'import ctypes; ctypes.pythonapi.__asan_default_options()'
+
+# We embed build flags in our objects
+strings $(buck2 run @//mode/dev fbcode//cinderx:dist-path)/lib/libpython3.10.so | ( ! grep -- "-O3 -fno-omit-frame-pointer" > /dev/null )
+strings $(buck2 run @//mode/dbg fbcode//cinderx:dist-path)/lib/libpython3.10.so | ( ! grep -- "-O3 -fno-omit-frame-pointer" > /dev/null )
+strings $(buck2 run @//mode/opt fbcode//cinderx:dist-path)/lib/libpython3.10.so | grep -- "-O3 -fno-omit-frame-pointer" > /dev/null
+
+echo All tests passed!