diff --git a/defaults/main.yml b/defaults/main.yml
index 1d6049a..528c61b 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -143,3 +143,13 @@ mysql_use_percona_apt: false
 mysql_galera_resetup: false
 mysql_galera_members: []
 mysql_galera_primary_node: 'change_me' # See: https://github.com/ansible/ansible/issues/17453
+
+# -------------------------------------
+# Tools
+# -------------------------------------
+mysql_tools:
+  - mytop              # Not available on Debian Stretch (included in mariadb-client instead)
+  - percona-toolkit
+  - percona-xtrabackup # Not available on Debian Stretch (without using the Percona repository)
+  - python-mysqldb
+  - mysqltuner
diff --git a/tasks/install/main.yml b/tasks/install/main.yml
index 28d6561..3fe07f0 100644
--- a/tasks/install/main.yml
+++ b/tasks/install/main.yml
@@ -35,9 +35,4 @@
 
 - name: APT | Install few MySQL related tools
   apt: pkg={{ item }} state=present install_recommends=no
-  with_items:
-    - mytop
-    - percona-toolkit
-    - percona-xtrabackup
-    - python-mysqldb
-    - mysqltuner
+  with_items: "{{ mysql_tools }}"