diff --git a/microfuchsia/microfuchsiad/aidl/Android.bp b/microfuchsia/microfuchsiad/aidl/Android.bp
new file mode 100644
index 0000000..02bb7c6
--- /dev/null
+++ b/microfuchsia/microfuchsiad/aidl/Android.bp
@@ -0,0 +1,24 @@
+package {
+    default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
+aidl_interface {
+    name: "android.system.microfuchsiad",
+    srcs: ["android/system/microfuchsiad/*.aidl"],
+    // TODO: Make this stable when the APEX becomes updatable.
+    unstable: true,
+    backend: {
+        java: {
+            enabled: false,
+        },
+        ndk: {
+            enabled: false,
+        },
+        rust: {
+            enabled: true,
+            apex_available: [
+                "com.android.microfuchsia",
+            ],
+        },
+    },
+}
diff --git a/microfuchsia/microfuchsiad/aidl/android/system/microfuchsiad/IMicrofuchsiaService.aidl b/microfuchsia/microfuchsiad/aidl/android/system/microfuchsiad/IMicrofuchsiaService.aidl
new file mode 100644
index 0000000..a04ae2b
--- /dev/null
+++ b/microfuchsia/microfuchsiad/aidl/android/system/microfuchsiad/IMicrofuchsiaService.aidl
@@ -0,0 +1,21 @@
+/*
+ * Copyright 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package android.system.microfuchsiad;
+
+// This service exists as a placeholder in case we want to communicate with the
+// daemon in the future.
+interface IMicrofuchsiaService {
+}