diff --git a/bin/ops_in_graph.py b/bin/ops_in_graph.py
new file mode 100755
index 00000000..ee0f2ff5
--- /dev/null
+++ b/bin/ops_in_graph.py
@@ -0,0 +1,11 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+import tensorflow as tf
+import sys
+
+with tf.gfile.FastGFile(sys.argv[1], 'rb') as fin:
+    graph_def = tf.GraphDef()
+    graph_def.MergeFromString(fin.read())
+
+    print('\n'.join(sorted(set(n.op for n in graph_def.node))))