diff --git a/main/java/ninja/carter/skyfoundry/modules/ClientModuleInitializer.java b/main/java/ninja/carter/skyfoundry/modules/ClientModuleInitializer.java
new file mode 100644
index 0000000..20c37a0
--- /dev/null
+++ b/main/java/ninja/carter/skyfoundry/modules/ClientModuleInitializer.java
@@ -0,0 +1,6 @@
+package ninja.carter.skyfoundry.modules;
+
+@FunctionalInterface
+public interface ClientModuleInitializer {
+    void onInitialize();
+}
diff --git a/main/java/ninja/carter/skyfoundry/modules/ModuleInitializer.java b/main/java/ninja/carter/skyfoundry/modules/ModuleInitializer.java
new file mode 100644
index 0000000..8b29ec1
--- /dev/null
+++ b/main/java/ninja/carter/skyfoundry/modules/ModuleInitializer.java
@@ -0,0 +1,6 @@
+package ninja.carter.skyfoundry.modules;
+
+@FunctionalInterface
+public interface ModuleInitializer {
+    void onInitialize();
+}