diff --git a/maintainers/maintainer-list.nix b/maintainers/maintainer-list.nix
index e8b5d5507350..2a0d58164e62 100644
--- a/maintainers/maintainer-list.nix
+++ b/maintainers/maintainer-list.nix
@@ -2503,6 +2503,12 @@
     matrix = "@cawilliamson:nixos.dev";
     name = "Christopher A. Williamson";
   };
+  cbleslie = {
+    email = "cameronleslie@gmail.com";
+    github = "cbleslie";
+    githubId = 500963;
+    name = "C.B.Leslie";
+  };
   cbley = {
     email = "claudio.bley@gmail.com";
     github = "avdv";
diff --git a/pkgs/applications/misc/monitorcontrol/default.nix b/pkgs/applications/misc/monitorcontrol/default.nix
new file mode 100644
index 000000000000..f9002b10b063
--- /dev/null
+++ b/pkgs/applications/misc/monitorcontrol/default.nix
@@ -0,0 +1,33 @@
+{ lib, fetchurl, stdenv, undmg }:
+
+# This cannot be built from source due to the problematic nature of XCode - so
+# this is what it's like when doves cry?
+
+stdenv.mkDerivation rec {
+  pname = "MonitorControl";
+  version = "4.1.0";
+
+  src = fetchurl {
+    url =
+      "https://github.com/MonitorControl/${pname}/releases/download/v${version}/MonitorControl.${version}.dmg";
+    sha256 = "iaxM9j78Sq1EH5TCY240N+D5bG6quk2dZj8T7nt9ATo=";
+  };
+
+  nativeBuildInputs = [ undmg ];
+
+  sourceRoot = "MonitorControl.app";
+
+  installPhase = ''
+    mkdir -p "$out/Applications/MonitorControl.app"
+    cp -R . "$out/Applications/MonitorControl.app"
+  '';
+
+  meta = with lib; {
+    description = "A macOS system extension to control brightness and volume of external displays with native OSD";
+    longDescription = "Controls your external display brightness and volume and shows native OSD. Use menulet sliders or the keyboard, including native Apple keys!";
+    homepage = "https://github.com/MonitorControl/MonitorControl#readme";
+    license = licenses.mit;
+    maintainers = with maintainers; [ cbleslie ];
+    platforms = platforms.darwin;
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 919c0f00e880..a0d1e76e1c35 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -31711,6 +31711,8 @@ with pkgs;
 
   mod-distortion = callPackage ../applications/audio/mod-distortion { };
 
+  monitorcontrol = callPackage ../applications/misc/monitorcontrol { };
+
   xmr-stak = callPackage ../applications/misc/xmr-stak { };
 
   xmrig = darwin.apple_sdk_11_0.callPackage ../applications/misc/xmrig { };