diff --git a/flake.nix b/flake.nix
index 41b3cab..39a88d2 100644
--- a/flake.nix
+++ b/flake.nix
@@ -141,14 +141,15 @@
         modules = [
           ./hosts/macbook/configuration.nix
           home-manager.darwinModules.home-manager
-          {
+          ({ config, ... }: {
             home-manager.extraSpecialArgs = {
               pkgs-unstable = pkgs-unstable_aarch64-darwin;
+              inherit (config) user;
             };
             home-manager.useGlobalPkgs = true;
             home-manager.useUserPackages = true;
             home-manager.users.uagm.imports = [ ./hosts/macbook/home.nix ];
-          }
+          })
         ];
       };
       "msft-mac" = nix-darwin.lib.darwinSystem {
diff --git a/home-modules/homebrew.nix b/home-modules/homebrew.nix
new file mode 100644
index 0000000..261c756
--- /dev/null
+++ b/home-modules/homebrew.nix
@@ -0,0 +1,5 @@
+{ ... } : {
+  programgs.zsh.profileExtra = ''
+  eval "$(/opt/homebrew/bin/brew shellenv)"
+  '';
+}
diff --git a/hosts/macbook/configuration.nix b/hosts/macbook/configuration.nix
index 683d49e..559068a 100644
--- a/hosts/macbook/configuration.nix
+++ b/hosts/macbook/configuration.nix
@@ -1,12 +1,13 @@
-{ self, pkgs, ... }: {
+{ self, pkgs, config, ... }: {
 
   imports = [
     ./hotkeys.nix
+    ../../modules/common
   ];
 
   # To reflect hotkeys without a login cycle.
   system.activationScripts.postActivation.text = ''
-  sudo -u uagm /System/Library/PrivateFrameworks/SystemAdministration.framework/Resources/activateSettings -u
+  sudo -u ${config.user.name} /System/Library/PrivateFrameworks/SystemAdministration.framework/Resources/activateSettings -u
   '';
 
   # List packages installed in system profile. To search by name, run:
@@ -15,7 +16,9 @@
     neofetch
   ];
 
-  system.primaryUser = "uagm";
+  user.name = "jmug";
+
+  system.primaryUser = config.user.name;
 
   homebrew = {
     enable = true;
@@ -37,7 +40,7 @@
       "ghostty"
       "kicad"
       "secretive"
-      "gcc-arm-embedded"
+      "gcc-arm-embedded" # Maybe defer this to individual porject flakes.
       "karabiner-elements"
       "raycast"
       "logi-options+"
@@ -49,7 +52,7 @@
     nerd-fonts.bigblue-terminal
   ];
 
-  users.users.uagm.home = "/Users/uagm";
+  users.users.${config.user.name}.home = config.user.homeDirectory;
 
   nixpkgs.config.allowUnfree = true;
   
@@ -63,7 +66,7 @@
 
   # Used for backwards compatibility, please read the changelog before changing.
   # $ darwin-rebuild changelog
-  system.stateVersion = 5;
+  system.stateVersion = 6;
 
   # The platform the configuration will be used on.
   nixpkgs.hostPlatform = "aarch64-darwin";
diff --git a/hosts/macbook/home.nix b/hosts/macbook/home.nix
index 1318789..9e1da8a 100644
--- a/hosts/macbook/home.nix
+++ b/hosts/macbook/home.nix
@@ -2,12 +2,19 @@
   config,
   pkgs,
   pkgs-unstable,
+  user,
   ...
-} : {
+} :
+let
+  username = user.name;
+  homeDirectory = user.homeDirectory;
+in {
   
   imports = [
+    ../../home-modules/default.nix
     ../../home-modules/direnv.nix
     ../../home-modules/ghostty-config.nix
+    ../../home-modules/homebrew.nix
     ../../home-modules/karabiner.nix
     ../../home-modules/lazygit.nix
     ../../home-modules/nvim.nix
@@ -27,16 +34,14 @@
   };
 
   home = {
-    username = "uagm";
-    homeDirectory = "/Users/uagm";
+    username = username;
+    homeDirectory = homeDirectory;
 
     packages = with pkgs; [
-      fzf
-      ripgrep
+      nerd-fonts.bigblue-terminal
+      nerd-fonts.fira-code
       exercism
-      typescript-language-server
-      lua-language-server
-      starship
+      typescript-language-server # TODO: Defer to individual projects.
       audacity
       pkgs-unstable.claude-code
       (pkgs-unstable.litellm.overrideAttrs (oldAttrs: rec {
@@ -57,12 +62,11 @@
   programs.zsh = {
     shellAliases = {
       # TODO BEGIN Interpolate the name of the host here.
-      flakeconf = "nvim /Users/uagm/nixos/flake.nix";
-      sysconf = "nvim /Users/uagm/nixos/hosts/macbook/configuration.nix";
-      homeconf = "nvim /Users/uagm/nixos/hosts/macbook/home.nix";
-      nvconf = "nvim /Users/uagm/nixos/home-modules/explicit-configs/nvim/init.lua";
-      # TODO: Interpolate the name of the host here.
-      nrsw = "sudo darwin-rebuild switch --flake /Users/uagm/nixos#macbook";
+      flakeconf = "nvim ${homeDirectory}/nixos/flake.nix";
+      sysconf = "nvim ${homeDirectory}/nixos/hosts/macbook/configuration.nix";
+      homeconf = "nvim ${homeDirectory}/nixos/hosts/macbook/home.nix";
+      nvconf = "nvim ${homeDirectory}/nixos/home-modules/explicit-configs/nvim/init.lua";
+      nrsw = "sudo darwin-rebuild switch --flake ${homeDirectory}/nixos#macbook";
     };
   };
 }
diff --git a/hosts/msft-mac/home.nix b/hosts/msft-mac/home.nix
index 7c30986..e674811 100644
--- a/hosts/msft-mac/home.nix
+++ b/hosts/msft-mac/home.nix
@@ -14,6 +14,7 @@ in {
     ../../home-modules/default.nix
     ../../home-modules/direnv.nix
     ../../home-modules/ghostty-config.nix
+    ../../home-modules/homebrew.nix
     ../../home-modules/karabiner.nix
     ../../home-modules/lazygit.nix
     ../../home-modules/nvim.nix