diff --git a/client/src/main/java/org/opensearch/ml/client/MachineLearningClient.java b/client/src/main/java/org/opensearch/ml/client/MachineLearningClient.java
index 4d81448362..4577cab7b7 100644
--- a/client/src/main/java/org/opensearch/ml/client/MachineLearningClient.java
+++ b/client/src/main/java/org/opensearch/ml/client/MachineLearningClient.java
@@ -19,6 +19,8 @@
 import org.opensearch.ml.common.ToolMetadata;
 import org.opensearch.ml.common.input.MLInput;
 import org.opensearch.ml.common.output.MLOutput;
+import org.opensearch.ml.common.transport.agent.MLRegisterAgentRequest;
+import org.opensearch.ml.common.transport.agent.MLRegisterAgentResponse;
 import org.opensearch.ml.common.transport.connector.MLCreateConnectorInput;
 import org.opensearch.ml.common.transport.connector.MLCreateConnectorResponse;
 import org.opensearch.ml.common.transport.deploy.MLDeployModelResponse;
@@ -337,4 +339,22 @@ default ActionFuture<ToolMetadata> getTool(String toolName) {
      * @param listener action listener
      */
     void getTool(String toolName, ActionListener<ToolMetadata> listener);
+
+    /**
+     * Registers new agent and returns ActionFuture.
+     * @param mlRegisterAgentRequest Register agent input, refer: https://opensearch.org/docs/latest/ml-commons-plugin/api/#register-agent
+     * @return the result future
+     */
+    default ActionFuture<MLRegisterAgentResponse> registerAgent(MLRegisterAgentRequest mlRegisterAgentRequest) {
+        PlainActionFuture<MLRegisterAgentResponse> actionFuture = PlainActionFuture.newFuture();
+        registerAgent(mlRegisterAgentRequest, actionFuture);
+        return actionFuture;
+    }
+
+    /**
+     * Registers new agent and returns agent ID in response
+     * @param mlRegisterAgentRequest Register agent input, refer: https://opensearch.org/docs/latest/ml-commons-plugin/api/#register-agent
+     * @return the result future
+     */
+    void registerAgent(MLRegisterAgentRequest mlRegisterAgentRequest, ActionListener<MLRegisterAgentResponse> listener);
 }
diff --git a/client/src/main/java/org/opensearch/ml/client/MachineLearningNodeClient.java b/client/src/main/java/org/opensearch/ml/client/MachineLearningNodeClient.java
index 5d4d868b61..760fa5b6b9 100644
--- a/client/src/main/java/org/opensearch/ml/client/MachineLearningNodeClient.java
+++ b/client/src/main/java/org/opensearch/ml/client/MachineLearningNodeClient.java
@@ -32,6 +32,9 @@
 import org.opensearch.ml.common.input.parameter.MLAlgoParams;
 import org.opensearch.ml.common.output.MLOutput;
 import org.opensearch.ml.common.transport.MLTaskResponse;
+import org.opensearch.ml.common.transport.agent.MLRegisterAgentAction;
+import org.opensearch.ml.common.transport.agent.MLRegisterAgentRequest;
+import org.opensearch.ml.common.transport.agent.MLRegisterAgentResponse;
 import org.opensearch.ml.common.transport.connector.MLCreateConnectorAction;
 import org.opensearch.ml.common.transport.connector.MLCreateConnectorInput;
 import org.opensearch.ml.common.transport.connector.MLCreateConnectorRequest;
@@ -253,6 +256,16 @@ public void getTool(String toolName, ActionListener<ToolMetadata> listener) {
         client.execute(MLGetToolAction.INSTANCE, mlToolGetRequest, getMlGetToolResponseActionListener(listener));
     }
 
+    @Override
+    public void registerAgent(MLRegisterAgentRequest mlRegisterAgentRequest, ActionListener<MLRegisterAgentResponse> listener) {
+        client
+            .execute(
+                MLRegisterAgentAction.INSTANCE,
+                mlRegisterAgentRequest,
+                ActionListener.wrap(listener::onResponse, listener::onFailure)
+            );
+    }
+
     private ActionListener<MLToolsListResponse> getMlListToolsResponseActionListener(ActionListener<List<ToolMetadata>> listener) {
         ActionListener<MLToolsListResponse> internalListener = ActionListener.wrap(mlModelListResponse -> {
             listener.onResponse(mlModelListResponse.getToolMetadataList());
diff --git a/client/src/test/java/org/opensearch/ml/client/MachineLearningClientTest.java b/client/src/test/java/org/opensearch/ml/client/MachineLearningClientTest.java
index 4b137ac685..cd3bb4f04c 100644
--- a/client/src/test/java/org/opensearch/ml/client/MachineLearningClientTest.java
+++ b/client/src/test/java/org/opensearch/ml/client/MachineLearningClientTest.java
@@ -40,6 +40,8 @@
 import org.opensearch.ml.common.model.TextEmbeddingModelConfig;
 import org.opensearch.ml.common.output.MLOutput;
 import org.opensearch.ml.common.output.MLTrainingOutput;
+import org.opensearch.ml.common.transport.agent.MLRegisterAgentRequest;
+import org.opensearch.ml.common.transport.agent.MLRegisterAgentResponse;
 import org.opensearch.ml.common.transport.connector.MLCreateConnectorInput;
 import org.opensearch.ml.common.transport.connector.MLCreateConnectorResponse;
 import org.opensearch.ml.common.transport.deploy.MLDeployModelResponse;
@@ -82,6 +84,9 @@ public class MachineLearningClientTest {
     @Mock
     MLRegisterModelGroupResponse registerModelGroupResponse;
 
+    @Mock
+    MLRegisterAgentResponse registerAgentResponse;
+
     private String modekId = "test_model_id";
     private MLModel mlModel;
     private MLTask mlTask;
@@ -178,6 +183,11 @@ public void listTools(ActionListener<List<ToolMetadata>> listener) {
             public void getTool(String toolName, ActionListener<ToolMetadata> listener) {
                 listener.onResponse(null);
             }
+
+            @Override
+            public void registerAgent(MLRegisterAgentRequest mlRegisterAgentRequest, ActionListener<MLRegisterAgentResponse> listener) {
+                listener.onResponse(registerAgentResponse);
+            }
         };
     }
 
@@ -365,4 +375,10 @@ public void createConnector() {
 
         assertEquals(createConnectorResponse, machineLearningClient.createConnector(mlCreateConnectorInput).actionGet());
     }
+
+    @Test
+    public void testRegisterAgent() {
+        MLRegisterAgentRequest registerAgentRequest = MLRegisterAgentRequest.builder().build();
+        assertEquals(registerAgentResponse, machineLearningClient.registerAgent(registerAgentRequest).actionGet());
+    }
 }
diff --git a/client/src/test/java/org/opensearch/ml/client/MachineLearningNodeClientTest.java b/client/src/test/java/org/opensearch/ml/client/MachineLearningNodeClientTest.java
index ccdf812195..4f77ffa4ae 100644
--- a/client/src/test/java/org/opensearch/ml/client/MachineLearningNodeClientTest.java
+++ b/client/src/test/java/org/opensearch/ml/client/MachineLearningNodeClientTest.java
@@ -66,6 +66,9 @@
 import org.opensearch.ml.common.output.MLPredictionOutput;
 import org.opensearch.ml.common.output.MLTrainingOutput;
 import org.opensearch.ml.common.transport.MLTaskResponse;
+import org.opensearch.ml.common.transport.agent.MLRegisterAgentAction;
+import org.opensearch.ml.common.transport.agent.MLRegisterAgentRequest;
+import org.opensearch.ml.common.transport.agent.MLRegisterAgentResponse;
 import org.opensearch.ml.common.transport.connector.MLCreateConnectorAction;
 import org.opensearch.ml.common.transport.connector.MLCreateConnectorInput;
 import org.opensearch.ml.common.transport.connector.MLCreateConnectorRequest;
@@ -152,6 +155,9 @@ public class MachineLearningNodeClientTest {
     @Mock
     ActionListener<MLRegisterModelGroupResponse> registerModelGroupResponseActionListener;
 
+    @Mock
+    ActionListener<MLRegisterAgentResponse> registerAgentResponseActionListener;
+
     @InjectMocks
     MachineLearningNodeClient machineLearningNodeClient;
 
@@ -676,6 +682,27 @@ public void createConnector() {
 
     }
 
+    @Test
+    public void testRegisterAgent() {
+        String agentId = "agentId";
+
+        doAnswer(invocation -> {
+            ActionListener<MLRegisterAgentResponse> actionListener = invocation.getArgument(2);
+            MLRegisterAgentResponse output = new MLRegisterAgentResponse(agentId);
+            actionListener.onResponse(output);
+            return null;
+        }).when(client).execute(eq(MLRegisterAgentAction.INSTANCE), any(), any());
+
+        ArgumentCaptor<MLRegisterAgentResponse> argumentCaptor = ArgumentCaptor.forClass(MLRegisterAgentResponse.class);
+        MLRegisterAgentRequest registerAgentRequest = MLRegisterAgentRequest.builder().build();
+
+        machineLearningNodeClient.registerAgent(registerAgentRequest, registerAgentResponseActionListener);
+
+        verify(client).execute(eq(MLRegisterAgentAction.INSTANCE), isA(MLRegisterAgentRequest.class), any());
+        verify(registerAgentResponseActionListener).onResponse(argumentCaptor.capture());
+        assertEquals(agentId, (argumentCaptor.getValue()).getAgentId());
+    }
+
     private SearchResponse createSearchResponse(ToXContentObject o) throws IOException {
         XContentBuilder content = o.toXContent(XContentFactory.jsonBuilder(), ToXContent.EMPTY_PARAMS);
 
@@ -701,4 +728,5 @@ private SearchResponse createSearchResponse(ToXContentObject o) throws IOExcepti
             SearchResponse.Clusters.EMPTY
         );
     }
+
 }