diff --git a/.gitignore b/.gitignore
index 75f521b8..bd86ed37 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,7 +2,7 @@
 *.egg-info
 
 # NPM
-*node_modules/
+*node_modules
 *build/
 
 # Direnv
diff --git a/apps/update/default.nix b/apps/update/default.nix
index 395a42e3..8930d900 100644
--- a/apps/update/default.nix
+++ b/apps/update/default.nix
@@ -1,10 +1,8 @@
 {
   lib,
-  system,
   buildNpmPackage,
   callPackage,
   makeWrapper,
-  mozilla-addons-to-nix,
   nodejs_latest,
   ...
 }: let
@@ -12,10 +10,9 @@
   inherit (builtins) readFile fromJSON;
 
   packageJSON = fromJSON (readFile ./package.json);
-  pname = packageJSON.name;
 in
   buildNpmPackage rec {
-    name = pname;
+    pname = packageJSON.name;
     inherit (packageJSON) version;
 
     src = ./.;
@@ -23,7 +20,6 @@ in
 
     runtimeInputs = [
       (callPackage ../../nixosModules/docker/updateImage.nix {})
-      mozilla-addons-to-nix.packages.${system}.default
     ];
     nativeBuildInputs = [makeWrapper];
 
diff --git a/lib.nix b/lib.nix
index 1aa1caff..a0c19331 100644
--- a/lib.nix
+++ b/lib.nix
@@ -7,6 +7,23 @@
       version = mkVersion src;
     };
 
+  buildNodeModules = dir: npmDepsHash: let
+    pkg = inputs.pkgs.callPackage ({buildNpmPackage, ...}: let
+      inherit (builtins) readFile fromJSON;
+
+      packageJSON = fromJSON (readFile (dir + /package.json));
+    in
+      buildNpmPackage {
+        pname = packageJSON.name;
+        inherit (packageJSON) version;
+
+        src = dir;
+
+        inherit npmDepsHash;
+        dontNpmBuild = true;
+      }) {};
+  in "${pkg}/lib/node_modules/${pkg.pname}/node_modules";
+
   # Import pkgs from a nixpkgs
   mkPkgs = system: input:
     import input {
diff --git a/nixosModules/ags/config/.envrc b/nixosModules/ags/config/.envrc
index 1b7f76a7..674cafba 100644
--- a/nixosModules/ags/config/.envrc
+++ b/nixosModules/ags/config/.envrc
@@ -1,2 +1 @@
 use flake "$FLAKE#node"
-npm ci
diff --git a/nixosModules/ags/config/package-lock.json b/nixosModules/ags/config/package-lock.json
index 95d56699..f18a4773 100644
Binary files a/nixosModules/ags/config/package-lock.json and b/nixosModules/ags/config/package-lock.json differ
diff --git a/nixosModules/ags/config/package.json b/nixosModules/ags/config/package.json
index 27b9b510..611319a8 100644
--- a/nixosModules/ags/config/package.json
+++ b/nixosModules/ags/config/package.json
@@ -1,17 +1,17 @@
 {
+    "name": "ags-node-modules",
+    "version": "0.0.0",
     "main": "config.js",
     "type": "module",
     "dependencies": {
-        "fzf": "0.5.2"
-    },
-    "devDependencies": {
+        "fzf": "0.5.2",
         "@eslint/js": "9.8.0",
         "@stylistic/eslint-plugin": "2.6.1",
         "@types/eslint__js": "8.42.3",
-        "@types/node": "22.0.2",
+        "@types/node": "22.1.0",
         "eslint": "9.8.0",
-        "eslint-plugin-jsdoc": "48.10.2",
+        "eslint-plugin-jsdoc": "48.11.0",
         "typescript": "5.5.4",
-        "typescript-eslint": "8.0.0"
+        "typescript-eslint": "8.0.1"
     }
 }
diff --git a/nixosModules/ags/default.nix b/nixosModules/ags/default.nix
index 010f89f6..3a4859a9 100644
--- a/nixosModules/ags/default.nix
+++ b/nixosModules/ags/default.nix
@@ -10,7 +10,7 @@ in {
     inherit (lib) boolToString mkIf toLower;
 
     # Configs
-    inherit (config.vars) mainUser hostName;
+    inherit (config.vars) hostName;
     cfgDesktop = config.roles.desktop;
     flakeDir = config.environment.variables.FLAKE;
 
@@ -24,7 +24,7 @@ in {
 
       services.upower.enable = true;
 
-      home-manager.users.${mainUser}.imports = [
+      home-manager.users.${cfgDesktop.user}.imports = [
         ags.homeManagerModules.default
 
         ({
@@ -46,11 +46,11 @@ in {
             '';
 
           agsPkg = config.programs.ags.finalPackage;
-          agsConfigDir = "${removePrefix "/home/${mainUser}/" flakeDir}/nixosModules/ags";
+          agsConfigDir = "${removePrefix "/home/${cfgDesktop.user}/" flakeDir}/nixosModules/ags";
         in {
           assertions = [
             {
-              assertion = hasPrefix "/home/${mainUser}/" flakeDir;
+              assertion = hasPrefix "/home/${cfgDesktop.user}/" flakeDir;
               message = ''
                 Your $FLAKE environment variable needs to point to a directory in
                 the main users' home to use the AGS module.
@@ -68,6 +68,8 @@ in {
 
           home = {
             file = let
+              inherit (import "${self}/lib.nix" {inherit pkgs;}) buildNodeModules;
+
               mkType = package: girName: {
                 "${agsConfigDir}/config/types/@girs/${toLower girName}".source =
                   pkgs.callPackage
@@ -100,6 +102,9 @@ in {
                         hasFprintd: ${boolToString (hostName == "wim")},
                     };
                   '';
+
+                "${agsConfigDir}/config/node_modules".source =
+                  buildNodeModules ./config "sha256-Jt7HRrQ8xrpkku51zFbJ44IgPaKKXerZBJUyjo5VudQ=";
               }
               // (import ./icons.nix {inherit pkgs agsConfigDir;})
             );
diff --git a/nixosModules/desktop/manager/ags/default.nix b/nixosModules/desktop/manager/ags/default.nix
index f1d18a27..6d0ab0d7 100644
--- a/nixosModules/desktop/manager/ags/default.nix
+++ b/nixosModules/desktop/manager/ags/default.nix
@@ -25,6 +25,15 @@ in {
       createHome = true;
     };
 
+    # Setup node modules for dev env
+    home-manager.users.${cfg.user}.home.file = let
+      flakeDir = config.environment.variables.FLAKE;
+      modulesDir = "${lib.removePrefix "/home/${cfg.user}/" flakeDir}/nixosModules";
+      nodeModules = config.home-manager.users.${cfg.user}.home.file."${modulesDir}/ags/config/node_modules".source;
+    in {
+      "${modulesDir}/desktop/manager/ags/node_modules".source = nodeModules;
+    };
+
     home-manager.users.greeter = {
       imports = [ags.homeManagerModules.default];
 
diff --git a/outputs.nix b/outputs.nix
index ae32c52d..96de0b64 100644
--- a/outputs.nix
+++ b/outputs.nix
@@ -135,14 +135,20 @@
       };
 
       node = pkgs.mkShell {
-        packages = with pkgs;
-          [
-            nodejs_latest
-            typescript
-          ]
-          ++ (with nodePackages; [
-            ts-node
-          ]);
+        packages = with pkgs; [
+          nodejs_latest
+          typescript
+
+          (writeShellApplication {
+            name = "updateNpmDeps";
+            runtimeInputs = [prefetch-npm-deps nodejs_latest];
+
+            text = ''
+              npm i --package-lock-only || true # this command will fail but still updates the main lockfile
+              prefetch-npm-deps ./package-lock.json
+            '';
+          })
+        ];
       };
 
       subtitles-dev = pkgs.mkShell {