diff --git a/flake.nix b/flake.nix
index 3293071..b1ec414 100644
--- a/flake.nix
+++ b/flake.nix
@@ -134,6 +134,9 @@
       checks = forAllSystems (
         pkgs:
         let
+          system = pkgs.stdenv.hostPlatform.system;
+          exportedPackages = self.packages.${system};
+          exportedApps = self.apps.${system};
           agentPythonSet =
             (pkgs.callPackage pyproject-nix.build.packages {
               python = pkgs.python312;
@@ -156,7 +159,27 @@
           buildbotExtSrc = ./buildbot-ext;
         in
         {
-          devShell = self.devShells.${pkgs.stdenv.hostPlatform.system}.default;
+          devShell = self.devShells.${system}.default;
+          formatter = self.formatter.${system};
+          package-default = exportedPackages.default;
+          package-nix-builder-autoscaler = exportedPackages.nix-builder-autoscaler;
+          package-buildbot-autoscale-ext = exportedPackages.buildbot-autoscale-ext;
+          package-buildbot-autoscale-ext-venv = exportedPackages.buildbot-autoscale-ext-venv;
+
+          app-default = pkgs.runCommand "check-app-default" { } ''
+            test -x ${exportedApps.default.program}
+            touch $out
+          '';
+
+          app-nix-builder-autoscaler = pkgs.runCommand "check-app-nix-builder-autoscaler" { } ''
+            test -x ${exportedApps.nix-builder-autoscaler.program}
+            touch $out
+          '';
+
+          app-autoscalerctl = pkgs.runCommand "check-app-autoscalerctl" { } ''
+            test -x ${exportedApps.autoscalerctl.program}
+            touch $out
+          '';
 
           nix-builder-autoscaler-unit-tests = pkgs.stdenv.mkDerivation {
             name = "nix-builder-autoscaler-unit-tests";