diff --git a/dev_env_sync/core/__init__.py b/dev_env_sync/core/__init__.py
new file mode 100644
index 0000000..eb1dad4
--- /dev/null
+++ b/dev_env_sync/core/__init__.py
@@ -0,0 +1,6 @@
+"""Core functionality including configuration loading and platform detection."""
+
+from .config import ConfigLoader, ConfigSchema
+from .platform import PlatformDetector
+
+__all__ = ["ConfigLoader", "ConfigSchema", "PlatformDetector"]