diff --git a/src/codeflare_sdk/cli/cli_utils.py b/src/codeflare_sdk/cli/cli_utils.py
index 0c557a8..c9d2c87 100644
--- a/src/codeflare_sdk/cli/cli_utils.py
+++ b/src/codeflare_sdk/cli/cli_utils.py
@@ -57,3 +57,19 @@ def load_auth():
         click.echo("No authentication found, trying default kubeconfig")
     except client.ApiException:
         click.echo("Invalid authentication, trying default kubeconfig")
+
+
+class PluralAlias(click.Group):
+    def get_command(self, ctx, cmd_name):
+        rv = click.Group.get_command(self, ctx, cmd_name)
+        if rv is not None:
+            return rv
+        for x in self.list_commands(ctx):
+            if x + "s" == cmd_name:
+                return click.Group.get_command(self, ctx, x)
+        return None
+
+    def resolve_command(self, ctx, args):
+        # always return the full command name
+        _, cmd, args = super().resolve_command(ctx, args)
+        return cmd.name, cmd, args
diff --git a/src/codeflare_sdk/cli/codeflare_cli.py b/src/codeflare_sdk/cli/codeflare_cli.py
index 7835469..2731ac0 100644
--- a/src/codeflare_sdk/cli/codeflare_cli.py
+++ b/src/codeflare_sdk/cli/codeflare_cli.py
@@ -2,6 +2,7 @@
 import os
 
 from codeflare_sdk.cli.cli_utils import load_auth
+from codeflare_sdk.cluster.cluster import get_current_namespace
 
 cmd_folder = os.path.abspath(os.path.join(os.path.dirname(__file__), "commands"))
 
@@ -9,6 +10,7 @@
 class CodeflareContext:
     def __init__(self):
         self.codeflare_path = _initialize_codeflare_folder()
+        self.current_namespace = get_current_namespace()
 
 
 def _initialize_codeflare_folder():
diff --git a/src/codeflare_sdk/cli/commands/define.py b/src/codeflare_sdk/cli/commands/define.py
index 09cfd1f..4db177f 100644
--- a/src/codeflare_sdk/cli/commands/define.py
+++ b/src/codeflare_sdk/cli/commands/define.py
@@ -12,8 +12,9 @@ def cli():
 
 
 @cli.command()
+@click.pass_context
 @click.option("--name", type=str, required=True)
-@click.option("--namespace", "-n", type=str, required=True)
+@click.option("--namespace", "-n", type=str)
 @click.option("--head_info", cls=PythonLiteralOption, type=list)
 @click.option("--machine_types", cls=PythonLiteralOption, type=list)
 @click.option("--min_cpus", type=int)
@@ -29,8 +30,10 @@ def cli():
 @click.option("--image", type=str)
 @click.option("--local_interactive", type=bool)
 @click.option("--image_pull_secrets", cls=PythonLiteralOption, type=list)
-def raycluster(**kwargs):
+def raycluster(ctx, **kwargs):
     """Define a RayCluster with parameter specifications"""
     filtered_kwargs = {k: v for k, v in kwargs.items() if v is not None}
+    if "namespace" not in filtered_kwargs.keys():
+        filtered_kwargs["namespace"] = ctx.obj.current_namespace
     clusterConfig = ClusterConfiguration(**filtered_kwargs)
     Cluster(clusterConfig)  # Creates yaml file
diff --git a/src/codeflare_sdk/cli/commands/delete.py b/src/codeflare_sdk/cli/commands/delete.py
index 7ce9744..c225d42 100644
--- a/src/codeflare_sdk/cli/commands/delete.py
+++ b/src/codeflare_sdk/cli/commands/delete.py
@@ -12,12 +12,14 @@ def cli():
 
 
 @cli.command()
+@click.pass_context
 @click.argument("name", type=str)
-@click.option("--namespace", type=str, required=True)
-def raycluster(name, namespace):
+@click.option("--namespace", type=str)
+def raycluster(ctx, name, namespace):
     """
     Delete a specified RayCluster from the Kubernetes cluster
     """
+    namespace = namespace or ctx.obj.current_namespace
     try:
         cluster = get_cluster(name, namespace)
     except FileNotFoundError:
diff --git a/src/codeflare_sdk/cli/commands/details.py b/src/codeflare_sdk/cli/commands/details.py
index b865caa..f6890e7 100644
--- a/src/codeflare_sdk/cli/commands/details.py
+++ b/src/codeflare_sdk/cli/commands/details.py
@@ -11,10 +11,11 @@ def cli():
 
 @cli.command()
 @click.argument("name", type=str)
-@click.option("--namespace", type=str, required=True)
+@click.option("--namespace", type=str)
 @click.pass_context
 def raycluster(ctx, name, namespace):
     """Get the details of a specified RayCluster"""
+    namespace = namespace or ctx.obj.current_namespace
     try:
         cluster = get_cluster(name, namespace)
     except FileNotFoundError:
diff --git a/src/codeflare_sdk/cli/commands/list.py b/src/codeflare_sdk/cli/commands/list.py
index dd3ad4e..533aaed 100644
--- a/src/codeflare_sdk/cli/commands/list.py
+++ b/src/codeflare_sdk/cli/commands/list.py
@@ -4,12 +4,11 @@
 from codeflare_sdk.cluster.cluster import (
     list_clusters_all_namespaces,
     list_all_clusters,
-    get_current_namespace,
 )
-from codeflare_sdk.cli.cli_utils import load_auth
+from codeflare_sdk.cli.cli_utils import PluralAlias
 
 
-@click.group()
+@click.group(cls=PluralAlias)
 def cli():
     """List a specified resource"""
     pass
@@ -19,14 +18,12 @@ def cli():
 @click.option("--namespace", type=str)
 @click.option("--all", is_flag=True)
 @click.pass_context
-def rayclusters(ctx, namespace, all):
+def raycluster(ctx, namespace, all):
     """List all rayclusters in a specified namespace"""
     if all and namespace:
         click.echo("--all and --namespace are mutually exclusive")
         return
-    if not all and not namespace:
-        click.echo("You must specify either --namespace or --all")
-        return
+    namespace = namespace or ctx.obj.current_namespace
     if not all:
         list_all_clusters(namespace)
         return
diff --git a/src/codeflare_sdk/cli/commands/status.py b/src/codeflare_sdk/cli/commands/status.py
index fc76ffc..dbd92a5 100644
--- a/src/codeflare_sdk/cli/commands/status.py
+++ b/src/codeflare_sdk/cli/commands/status.py
@@ -11,10 +11,11 @@ def cli():
 
 @cli.command()
 @click.argument("name", type=str)
-@click.option("--namespace", type=str, required=True)
+@click.option("--namespace", type=str)
 @click.pass_context
 def raycluster(ctx, name, namespace):
     """Get the status of a specified RayCluster"""
+    namespace = namespace or ctx.obj.current_namespace
     try:
         cluster = get_cluster(name, namespace)
     except FileNotFoundError:
diff --git a/src/codeflare_sdk/cluster/cluster.py b/src/codeflare_sdk/cluster/cluster.py
index a25dd1b..b98255e 100644
--- a/src/codeflare_sdk/cluster/cluster.py
+++ b/src/codeflare_sdk/cluster/cluster.py
@@ -412,7 +412,7 @@ def list_all_clusters(namespace: str, print_to_console: bool = True):
     """
     Returns (and prints by default) a list of all clusters in a given namespace.
     """
-    clusters = _get_ray_clusters_in_namespace(namespace)
+    clusters = _get_all_ray_clusters(namespace)
     if print_to_console:
         pretty_print.print_clusters(clusters)
     return clusters
@@ -539,17 +539,24 @@ def _ray_cluster_status(name, namespace="default") -> Optional[RayCluster]:
     return None
 
 
-def _get_ray_clusters_in_namespace(namespace="default") -> List[RayCluster]:
+def _get_all_ray_clusters(namespace: str = None) -> List[RayCluster]:
     list_of_clusters = []
     try:
         config_check()
         api_instance = client.CustomObjectsApi(api_config_handler())
-        rcs = api_instance.list_namespaced_custom_object(
-            group="ray.io",
-            version="v1alpha1",
-            namespace=namespace,
-            plural="rayclusters",
-        )
+        if namespace:
+            rcs = api_instance.list_namespaced_custom_object(
+                group="ray.io",
+                version="v1alpha1",
+                namespace=namespace,
+                plural="rayclusters",
+            )
+        else:
+            rcs = api_instance.list_cluster_custom_object(
+                group="ray.io",
+                version="v1alpha1",
+                plural="rayclusters",
+            )
     except Exception as e:  # pragma: no cover
         return _kube_api_error_handling(e)
 
@@ -558,23 +565,6 @@ def _get_ray_clusters_in_namespace(namespace="default") -> List[RayCluster]:
     return list_of_clusters
 
 
-def _get_all_ray_clusters() -> List[RayCluster]:
-    list_of_clusters = []
-    try:
-        config_check()
-        api_instance = client.CustomObjectsApi(api_config_handler())
-        rcs = api_instance.list_cluster_custom_object(
-            group="ray.io",
-            version="v1alpha1",
-            plural="rayclusters",
-        )
-    except Exception as e:
-        return _kube_api_error_handling(e)
-    for rc in rcs["items"]:
-        list_of_clusters.append(_map_to_ray_cluster(rc))
-    return list_of_clusters
-
-
 def _get_app_wrappers(
     namespace="default", filter=List[AppWrapperStatus]
 ) -> List[AppWrapper]:
diff --git a/tests/unit_test.py b/tests/unit_test.py
index 45b7038..a925801 100644
--- a/tests/unit_test.py
+++ b/tests/unit_test.py
@@ -160,7 +160,8 @@ def test_login_tls_cli(mocker):
     tls_result = runner.invoke(cli, k8s_tls_login_command)
     skip_tls_result = runner.invoke(cli, k8s_skip_tls_login_command)
     assert (
-        tls_result.output == skip_tls_result.output == "Logged into 'testserver:6443'\n"
+        "Logged into 'testserver:6443'\n" in tls_result.output
+        and "Logged into 'testserver:6443'\n" in skip_tls_result.output
     )
 
 
@@ -169,7 +170,7 @@ def test_logout_cli(mocker):
     mocker.patch.object(client, "ApiClient")
     k8s_logout_command = "logout"
     logout_result = runner.invoke(cli, k8s_logout_command)
-    assert logout_result.output == "Successfully logged out of 'testserver:6443'\n"
+    assert "Successfully logged out of 'testserver:6443'\n" in logout_result.output
     assert not os.path.exists(os.path.expanduser("~/.codeflare/auth"))
 
 
@@ -198,6 +199,10 @@ def test_cluster_deletion_cli(mocker):
         "kubernetes.client.CustomObjectsApi.list_namespaced_custom_object",
         side_effect=get_ray_obj,
     )
+    mocker.patch(
+        "codeflare_sdk.cluster.cluster.get_current_namespace",
+        return_value="ns",
+    )
     runner = CliRunner()
     delete_cluster_command = """
                             delete raycluster