diff --git a/pkgs/desktops/gnome/extensions/forge/default.nix b/pkgs/desktops/gnome/extensions/forge/default.nix
new file mode 100644
index 000000000000..f51bfd14205c
--- /dev/null
+++ b/pkgs/desktops/gnome/extensions/forge/default.nix
@@ -0,0 +1,54 @@
+{
+  fetchFromGitHub,
+  glib,
+  lib,
+  stdenv,
+  ...
+}:
+let
+  uuid = "forge@jmmaranan.com";
+in
+stdenv.mkDerivation {
+  pname = "gnome-shell-extension-forge";
+  version = "49.2-development";
+
+  src = fetchFromGitHub {
+    owner = "forge-ext";
+    repo = "forge";
+    rev = "701e7587e88fd51cc10e0f2fc5124ac61c82cf1c";
+    hash = "sha256-yKBH4Hv4b0CUVubsfs8a8fg3nIuogvGp5DJT/HjBcns=";
+  };
+
+  nativeBuildInputs = [ glib ];
+
+  buildPhase = ''
+    runHook preBuild
+    glib-compile-schemas --strict schemas
+    runHook postBuild
+  '';
+
+  installPhase = ''
+    runHook preInstall
+    mkdir -p $out/share/gnome-shell/extensions/
+    cp -r -T . $out/share/gnome-shell/extensions/${uuid}
+    # The makefile autogenerates a lib/prefs/metadata.js with a list of
+    # developers. We can just hardcode an empty one to avoid having to read the
+    # git history during the derivation.
+    echo "export const developers = []" > \
+      $out/share/gnome-shell/extensions/${uuid}/lib/prefs/metadata.js
+    runHook postInstall
+  '';
+
+  passthru = {
+    extensionPortalSlug = "forge";
+    extensionUuid = uuid;
+  };
+
+  meta = {
+    description = "Tiling and window manager for GNOME";
+    homepage = "https://extensions.gnome.org/extension/4481/forge/";
+    license = lib.licenses.gpl2Plus;
+    maintainers = with lib.maintainers; [ agustinmista ];
+    platforms = lib.platforms.linux;
+  };
+}
diff --git a/pkgs/desktops/gnome/extensions/manuallyPackaged.nix b/pkgs/desktops/gnome/extensions/manuallyPackaged.nix
index 0ed4252b48f4..041123ef196e 100644
--- a/pkgs/desktops/gnome/extensions/manuallyPackaged.nix
+++ b/pkgs/desktops/gnome/extensions/manuallyPackaged.nix
@@ -5,6 +5,7 @@
   "clock-override@gnomeshell.kryogenix.org" = callPackage ./clock-override { };
   "drop-down-terminal@gs-extensions.zzrough.org" = callPackage ./drop-down-terminal { };
   "EasyScreenCast@iacopodeenosee.gmail.com" = callPackage ./EasyScreenCast { };
+  "forge@jmmaranan.com" = callPackage ./forge { };
   "gsconnect@andyholmes.github.io" = callPackage ./gsconnect { };
   "guillotine@fopdoodle.net" = callPackage ./guillotine { };
   "impatience@gfxmonk.net" = callPackage ./impatience { };