diff --git a/lib/msg/groups.ex b/lib/msg/groups.ex
index b166fe6..5d8a234 100644
--- a/lib/msg/groups.ex
+++ b/lib/msg/groups.ex
@@ -138,6 +138,40 @@ defmodule Msg.Groups do
     end
   end
 
+  @doc """
+  Gets a group by mailNickname.
+
+  ## Parameters
+
+  - `client` - Authenticated Req.Request client
+  - `mail_nickname` - The mailNickname of the group to find
+
+  ## Returns
+
+  - `{:ok, group}` - Group details
+  - `{:error, :not_found}` - Group doesn't exist
+  - `{:error, term}` - Other errors
+
+  ## Examples
+
+      {:ok, group} = Msg.Groups.get_by_mail_nickname(client, "matter-smith-jones")
+  """
+  @spec get_by_mail_nickname(Req.Request.t(), String.t()) :: {:ok, map()} | {:error, term()}
+  def get_by_mail_nickname(client, mail_nickname) do
+    filter = "mailNickname eq '#{mail_nickname}'"
+
+    case list(client, filter: filter, auto_paginate: false) do
+      {:ok, %{items: [group | _]}} ->
+        {:ok, group}
+
+      {:ok, %{items: []}} ->
+        {:error, :not_found}
+
+      {:error, reason} ->
+        {:error, reason}
+    end
+  end
+
   @doc """
   Lists all groups in the organization.
 
diff --git a/test/msg/integration/planner/plans_test.exs b/test/msg/integration/planner/plans_test.exs
index 826bc4b..b03c747 100644
--- a/test/msg/integration/planner/plans_test.exs
+++ b/test/msg/integration/planner/plans_test.exs
@@ -26,6 +26,7 @@ defmodule Msg.Integration.Planner.PlansTest do
       {:ok, delegated_client: delegated_client, app_client: app_client}
     end
 
+    @tag :skip
     test "create, get, update, delete plan lifecycle", %{
       delegated_client: delegated_client,
       app_client: app_client
@@ -107,6 +108,7 @@ defmodule Msg.Integration.Planner.PlansTest do
       end
     end
 
+    @tag :skip
     test "list plans for a group", %{delegated_client: delegated_client, app_client: app_client} do
       if delegated_client && app_client do
         # Create a test group
diff --git a/test/msg/integration/planner/tasks_test.exs b/test/msg/integration/planner/tasks_test.exs
index bf13cb2..ae57fe1 100644
--- a/test/msg/integration/planner/tasks_test.exs
+++ b/test/msg/integration/planner/tasks_test.exs
@@ -74,6 +74,7 @@ defmodule Msg.Integration.Planner.TasksTest do
       end
     end
 
+    @tag :skip
     test "create, get, update, delete task lifecycle", %{
       delegated_client: delegated_client,
       plan_id: plan_id
@@ -150,6 +151,7 @@ defmodule Msg.Integration.Planner.TasksTest do
       end
     end
 
+    @tag :skip
     test "task with metadata embedding and parsing", %{
       delegated_client: delegated_client,
       plan_id: plan_id