diff --git a/linux/system/repo_local/mcp/salt.yml b/linux/system/repo_local/mcp/salt/init.yml
similarity index 100%
rename from linux/system/repo_local/mcp/salt.yml
rename to linux/system/repo_local/mcp/salt/init.yml
diff --git a/linux/system/repo_local/mcp/salt/unstable.yml b/linux/system/repo_local/mcp/salt/unstable.yml
new file mode 100644
index 0000000..4d2f9a7
--- /dev/null
+++ b/linux/system/repo_local/mcp/salt/unstable.yml
@@ -0,0 +1,17 @@
+classes:
+- linux.system.repo_local.mcp.salt
+parameters:
+  _param:
+    linux_system_repo_mcp_salt_unstable_version: testing
+  linux:
+    system:
+      repo:
+        mcp_salt_unstable:
+          refresh_db: ${_param:linux_repo_refresh_db}
+          source: "deb [arch=amd64] http://${_param:local_repo_url}/ubuntu-${_param:linux_system_codename}/ ${_param:linux_system_repo_mcp_salt_unstable_version} salt"
+          architectures: amd64
+          key_url: "http://${_param:local_repo_url}/public.gpg"
+          pin:
+          - pin: 'release a=${_param:linux_system_repo_mcp_salt_unstable_version}'
+            priority: 90
+            package: '*'