diff --git a/scripts/xblock/list-installed.py b/scripts/xblock/list-installed.py
new file mode 100644
index 0000000000..c1152d749d
--- /dev/null
+++ b/scripts/xblock/list-installed.py
@@ -0,0 +1,31 @@
+"""
+Lookup list of installed XBlocks, to aid XBlock developers
+"""
+import pkg_resources
+
+
+def get_without_builtins():
+    """
+    Get all installed XBlocks
+
+    but try to omit built-in XBlocks, else the output is less helpful
+    """
+    xblocks = [
+        entry_point.name
+        for entry_point in pkg_resources.iter_entry_points('xblock.v1')
+        if not entry_point.module_name.startswith('xmodule')
+    ]
+    xblocks = sorted(xblocks)
+    return xblocks
+
+
+def main():
+    """
+    Run the main script
+    """
+    for name in get_without_builtins():
+        print(name)
+
+
+if __name__ == '__main__':
+    main()