diff --git a/pkgs/os-specific/darwin/mas/default.nix b/pkgs/os-specific/darwin/mas/default.nix
new file mode 100644
index 000000000000..495d47df89f9
--- /dev/null
+++ b/pkgs/os-specific/darwin/mas/default.nix
@@ -0,0 +1,44 @@
+{ lib
+, stdenv
+, fetchurl
+, libarchive
+, p7zip
+}:
+
+stdenv.mkDerivation rec {
+  pname = "mas";
+  version = "1.8.1";
+
+  src = fetchurl {
+    url = "https://github.com/mas-cli/mas/releases/download/v${version}/mas.pkg";
+    sha256 = "W/wgg+ETeJPoZ7MoVGH2uJzQiZMLIy3n1JYKUloc3ZU=";
+  };
+
+  nativeBuildInputs = [ libarchive p7zip ];
+
+  unpackPhase = ''
+    7z x $src
+    bsdtar -xf Payload~
+  '';
+
+  doBuild = false;
+
+  installPhase = ''
+    mkdir -p $out
+    cp -r ./bin $out
+    cp -r ./Frameworks $out
+  '';
+
+  postFixup = ''
+    install_name_tool -change @rpath/MasKit.framework/Versions/A/MasKit $out/Frameworks/MasKit.framework/Versions/A/MasKit $out/bin/mas
+    install_name_tool -change @rpath/Commandant.framework/Commandant $out/Frameworks/MasKit.framework/Versions/A/Frameworks/Commandant.framework/Versions/A/Commandant $out/bin/mas
+  '';
+
+  meta = with lib; {
+    description = "Mac App Store command line interface";
+    homepage = "https://github.com/mas-cli/mas";
+    license = licenses.mit;
+    maintainers = with maintainers; [ zachcoyle ];
+    platforms = platforms.darwin;
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index d6c5ef1aa1c5..63c845e3f687 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -29540,6 +29540,8 @@ in
 
   martyr = callPackage ../development/libraries/martyr { };
 
+  mas = callPackage ../os-specific/darwin/mas { };
+
   moltengamepad = callPackage ../misc/drivers/moltengamepad { };
 
   openzwave = callPackage ../development/libraries/openzwave { };