diff --git a/cmapi/cmapi_server/controllers/api_clients.py b/cmapi/cmapi_server/controllers/api_clients.py
index 7b7e69622..d7ea2cf80 100644
--- a/cmapi/cmapi_server/controllers/api_clients.py
+++ b/cmapi/cmapi_server/controllers/api_clients.py
@@ -68,6 +68,7 @@ class ClusterControllerClient:
         :param node_info: Information about the node to add.
         :return: The response from the API.
         """
+        #TODO: fix interface as in remove_node used or think about universal
         return self._request('PUT', 'node', {**node_info, **extra})
 
     def remove_node(
diff --git a/cmapi/cmapi_server/controllers/endpoints.py b/cmapi/cmapi_server/controllers/endpoints.py
index d4059512f..360c1fad8 100644
--- a/cmapi/cmapi_server/controllers/endpoints.py
+++ b/cmapi/cmapi_server/controllers/endpoints.py
@@ -914,6 +914,7 @@ class ClusterController:
         node = request_body.get('node', None)
         config = request_body.get('config', DEFAULT_MCS_CONF_PATH)
         in_transaction = request_body.get('in_transaction', False)
+        read_only = request_body.get('read_only', False)
 
         if node is None:
             raise_422_error(module_logger, func_name, 'missing node argument')
@@ -921,9 +922,9 @@ class ClusterController:
         try:
             if not in_transaction:
                 with TransactionManager(extra_nodes=[node]):
-                    response = ClusterHandler.add_node(node, config)
+                    response = ClusterHandler.add_node(node, config, read_only)
             else:
-                response = ClusterHandler.add_node(node, config)
+                response = ClusterHandler.add_node(node, config, read_only)
         except CMAPIBasicError as err:
             raise_422_error(module_logger, func_name, err.message)
 
diff --git a/cmapi/cmapi_server/handlers/cluster.py b/cmapi/cmapi_server/handlers/cluster.py
index f672d1762..1cc9a1d6f 100644
--- a/cmapi/cmapi_server/handlers/cluster.py
+++ b/cmapi/cmapi_server/handlers/cluster.py
@@ -163,8 +163,8 @@ class ClusterHandler():
         """
         logger: logging.Logger = logging.getLogger('cmapi_server')
         logger.debug(
-            'Cluster add node command called. '
-            f'Adding node {node} in {"read-only" if read_only else "read-write"} mode.'
+            f'Cluster add node command called. Adding node {node} in '
+            f'{"read-only" if read_only else "read-write"} mode.'
         )
 
         response = {'timestamp': str(datetime.now())}
@@ -182,7 +182,9 @@ class ClusterHandler():
                         output_config_filename=config
                     )
                 else:
-                    logger.debug(f"Node {node} is read-only, skipping dbroot addition")
+                    logger.debug(
+                        f'Node {node} is read-only, skipping dbroot addition'
+                    )
 
         except Exception as err:
             raise CMAPIBasicError('Error while adding node.') from err
diff --git a/cmapi/cmapi_server/helpers.py b/cmapi/cmapi_server/helpers.py
index 3efc13429..7f4349956 100644
--- a/cmapi/cmapi_server/helpers.py
+++ b/cmapi/cmapi_server/helpers.py
@@ -543,7 +543,7 @@ def get_desired_nodes(config=DEFAULT_MCS_CONF_PATH):
 
 def get_read_only_nodes(root) -> list[str]:
     """Get names of read-only nodes from config"""
-    return [node.text for node in root.findall("./ReadOnlyNodes/Node")]
+    return [node.text for node in root.findall('./ReadOnlyNodes/Node')]
 
 
 def in_maintenance_state(config=DEFAULT_MCS_CONF_PATH):
diff --git a/cmapi/cmapi_server/node_manipulation.py b/cmapi/cmapi_server/node_manipulation.py
index 8a96d2653..5e19c1488 100644
--- a/cmapi/cmapi_server/node_manipulation.py
+++ b/cmapi/cmapi_server/node_manipulation.py
@@ -100,7 +100,7 @@ def add_node(
             if not read_only:
                 _add_WES(c_root, pm_num, node)
             else:
-                logging.info("Node is read-only, skipping WES addition")
+                logging.info('Node is read-only, skipping WES addition.')
                 _add_read_only_node(c_root, node)
 
             _add_DBRM_Worker(c_root, node)
@@ -112,7 +112,9 @@ def add_node(
                     _rebalance_dbroots(c_root)
                     _move_primary_node(c_root)
                 else:
-                    logging.debug("Node is read-only, skipping dbroots rebalancing")
+                    logging.debug(
+                        'Node is read-only, skipping dbroots rebalancing.'
+                    )
     except Exception:
         logging.error(
             'Caught exception while adding node, config file is unchanged',