diff --git a/api_testgen/core/__init__.py b/api_testgen/core/__init__.py
new file mode 100644
index 0000000..7718543
--- /dev/null
+++ b/api_testgen/core/__init__.py
@@ -0,0 +1,6 @@
+"""Core module for API TestGen."""
+
+from .spec_parser import SpecParser
+from .auth import AuthConfig
+
+__all__ = ["SpecParser", "AuthConfig"]