diff --git a/macOS.yaml b/macOS.yaml
index b05f295..6811505 100644
--- a/macOS.yaml
+++ b/macOS.yaml
@@ -2,5 +2,8 @@
 - import_playbook: UnixGUI.yaml
 - hosts: localhost
   roles:
+    - role: mas
+
     - role: fonts
+    - role: magnet
     - role: obsidian
diff --git a/roles/magnet/tasks/main.yaml b/roles/magnet/tasks/main.yaml
new file mode 100644
index 0000000..6fab2ad
--- /dev/null
+++ b/roles/magnet/tasks/main.yaml
@@ -0,0 +1,8 @@
+---
+- assert:
+    that: ansible_os_family == 'Darwin'
+
+- name: install app store package
+  mas:
+    id: 441258766
+    state: latest
diff --git a/roles/mas/tasks/main.yaml b/roles/mas/tasks/main.yaml
new file mode 100644
index 0000000..f1e44c0
--- /dev/null
+++ b/roles/mas/tasks/main.yaml
@@ -0,0 +1,8 @@
+---
+- assert:
+    that: ansible_os_family == 'Darwin'
+
+- name: install homebrew package
+  homebrew:
+    name: mas
+    state: latest