diff --git a/hosts/poppy/default.nix b/hosts/poppy/default.nix
index e69de29..44197bc 100644
--- a/hosts/poppy/default.nix
+++ b/hosts/poppy/default.nix
@@ -0,0 +1,54 @@
+{ pkgs, ... }: {
+  imports = [ ./homebrew.nix ./system.nix ];
+
+  networking.hostName = "poppy";
+  system.primaryUser = "michaotic";
+  system.stateVersion = 7;
+
+  nixpkgs.config.allowUnfree = true;
+  nix.enable = false;
+
+  users.users.michaotic = {
+    home = "/Users/michaotic";
+    shell = pkgs.zsh;
+  };
+
+  environment.systemPackages = [ pkgs.vim ];
+
+  # Apply default apps via duti on activation
+  system.activationScripts.defaultApps.text = ''
+    if [ -f "/Users/michaotic/.config/duti/config" ]; then
+      ${pkgs.duti}/bin/duti -d /Users/michaotic/.config/duti/config || true
+    fi
+  '';
+
+  # Configure MarkEdit settings via jq
+  system.activationScripts.markeditSettings.text = let
+    settingsFile = "/Users/michaotic/Library/Containers/app.cyan.markedit/Data/Documents/settings.json";
+    jqBin = "${pkgs.jq}/bin/jq";
+  in ''
+    if [ -f "${settingsFile}" ]; then
+      tmp=/tmp/markedit-settings-$$.json
+      if ${jqBin} '. + {
+        "extension.markeditThemeCatppuccin": {
+          "enabledMode": "both",
+          "lightTheme": "latte",
+          "darkTheme": "mocha"
+        }
+      }' "${settingsFile}" > "$tmp" 2>/dev/null; then
+        cp "$tmp" "${settingsFile}"
+        chown michaotic:staff "${settingsFile}"
+      fi
+      rm -f "$tmp"
+    fi
+  '';
+
+  home-manager.users.michaotic = {
+    imports = [ ../../home/kitty.nix ];
+    programs.zsh.shellAliases = {
+      switch = "darwin-rebuild switch --flake .#poppy";
+      update = "nix flake update && darwin-rebuild switch --flake .#poppy";
+      cleanup = "nix-collect-garbage -d";
+    };
+  };
+}