diff --git a/hosts/macbook/configuration.nix b/hosts/macbook/configuration.nix
index ab1992f..e888806 100644
--- a/hosts/macbook/configuration.nix
+++ b/hosts/macbook/configuration.nix
@@ -6,6 +6,19 @@
       inputs.home-manager.darwinModules.default
     ];
 
+  nix.settings = {
+    trusted-users = ["mthomson"];
+
+    substituters = [
+      "https://cache.nixos.org"
+      "https://nix-community.cachix.org"
+    ];
+
+    trusted-public-keys = [
+      "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
+    ];
+  };
+
   users.users.mthomson = {
     home = "/Users/mthomson";
   };
diff --git a/hosts/macbook/home.nix b/hosts/macbook/home.nix
index ae93451..f251aab 100644
--- a/hosts/macbook/home.nix
+++ b/hosts/macbook/home.nix
@@ -16,8 +16,9 @@
     btop
     spotify-player
     neofetch
-    nodejs
-    corepack_latest
+    jq
+    fzf
+    ripgrep
   ];
 
   programs.home-manager.enable = true;