diff --git a/default.nix b/default.nix
index 1b7090a45..a2afcdd93 100644
--- a/default.nix
+++ b/default.nix
@@ -2,5 +2,5 @@
   pkgs ? import <nixpkgs> { },
 }:
 {
-  vicinae = pkgs.callPackage ./vicinae.nix { };
+  vicinae = pkgs.callPackage ./nix/vicinae.nix { };
 }
diff --git a/flake.nix b/flake.nix
index fa500b268..501882d49 100644
--- a/flake.nix
+++ b/flake.nix
@@ -21,7 +21,7 @@
       system:
       let
         pkgs = nixpkgs.legacyPackages.${system};
-        vicinaePkg = pkgs.callPackage ./vicinae.nix { };
+        vicinaePkg = pkgs.callPackage ./nix/vicinae.nix { };
         nix-update-script = pkgs.writeShellScriptBin "nix-update-script" ''
           OLD_API_DEPS_HASH=$(${pkgs.lib.getExe pkgs.nix} eval --raw .#packages.x86_64-linux.default.passthru.apiDeps.hash)
           OLD_EXT_MAN_DEPS_HASH=$(${pkgs.lib.getExe pkgs.nix} eval --raw .#packages.x86_64-linux.default.passthru.extensionManagerDeps.hash)
@@ -40,6 +40,7 @@
       {
         packages.default = vicinaePkg;
         packages.nix-update-script = nix-update-script;
+        mkVicinaeExtension = import ./nix/mkVicinaeExtension.nix;
         devShells.default = pkgs.mkShell {
           inputsFrom = [ vicinaePkg ]; # automatically pulls nativeBuildInputs + buildInputs
           buildInputs = [
@@ -56,6 +57,7 @@
     // {
       overlays.default = final: prev: {
         vicinae = self.packages.${final.system}.default;
+        mkVicinaeExtension = import ./nix/mkVicinaeExtension.nix;
       };
       homeManagerModules.default =
         {
@@ -64,7 +66,7 @@
           lib,
           ...
         }:
-        import ./module.nix {
+        import ./nix/module.nix {
           inherit
             config
             pkgs
diff --git a/nix/mkVicinaeExtension.nix b/nix/mkVicinaeExtension.nix
new file mode 100644
index 000000000..0c8cf4ce0
--- /dev/null
+++ b/nix/mkVicinaeExtension.nix
@@ -0,0 +1,18 @@
+{
+  pkgs,
+  name,
+  src,
+}:
+pkgs.buildNpmPackage {
+  inherit name src;
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -p $out
+    cp -r /build/.local/share/vicinae/extensions/${name}/* $out/
+
+    runHook postInstall
+  '';
+  npmDeps = pkgs.importNpmLock { npmRoot = src; };
+  npmConfigHook = pkgs.importNpmLock.npmConfigHook;
+}
diff --git a/module.nix b/nix/module.nix
similarity index 88%
rename from module.nix
rename to nix/module.nix
index faee336d0..4dcf4e6e1 100644
--- a/module.nix
+++ b/nix/module.nix
@@ -35,6 +35,15 @@ in
       description = "If vicinae should use the layer shell";
     };
 
+    extensions = lib.mkOption {
+      type = lib.types.listOf lib.types.package;
+      default = [ ];
+      description = ''
+        List of Vicinae extensions to install.
+        You can use the `mkVicinaeExtension` function from the overlay to create extensions.
+      '';
+    };
+
     themes = lib.mkOption {
       default = { };
       description = ''
@@ -111,6 +120,13 @@ in
         }
       ) cfg.themes;
 
+    xdg.dataFile = builtins.listToAttrs (
+      builtins.map (item: {
+        name = "vicinae/extensions/${item.name}";
+        value.source = item;
+      }) config.services.vicinae.extensions
+    );
+
     systemd.user.services.vicinae = {
       Unit = {
         Description = "Vicinae server daemon";
diff --git a/vicinae.nix b/nix/vicinae.nix
similarity index 99%
rename from vicinae.nix
rename to nix/vicinae.nix
index e009523a8..fb3fec2b7 100644
--- a/vicinae.nix
+++ b/nix/vicinae.nix
@@ -25,7 +25,7 @@
   wayland,
 }:
 let
-  src = ./.;
+  src = ../.;
 
   manifestRaw = builtins.readFile (src + /manifest.yaml);