diff --git a/core/api/src/main/java/org/onosproject/cluster/ComponentsMonitorService.java b/core/api/src/main/java/org/onosproject/cluster/ComponentsMonitorService.java
new file mode 100644
index 0000000..50aad17
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+++ b/core/api/src/main/java/org/onosproject/cluster/ComponentsMonitorService.java
@@ -0,0 +1,31 @@
+/*
+ * Copyright 2020-present Open Networking Foundation
+ *
+ * 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 org.onosproject.cluster;
+
+import java.util.List;
+
+/**
+ * Monitors the status of OSGi components.
+ */
+public interface ComponentsMonitorService {
+    /**
+     * Checks if all given OSGi features are ready.
+     *
+     * @param features list of feature name in string
+     * @return true if all features are ready, false otherwise.
+     */
+    boolean isFullyStarted(List<String> features);
+}