diff --git a/.config/nix-darwin/flake.nix b/.config/nix-darwin/flake.nix
index ed60bd7..9fe8c15 100644
--- a/.config/nix-darwin/flake.nix
+++ b/.config/nix-darwin/flake.nix
@@ -57,6 +57,23 @@
       ];
     };
 
+    darwinConfigurations."tid27880sperrau" = darwin.lib.darwinSystem {
+      # Set Git commit hash for darwin-version.
+      system.configurationRevision = self.rev or self.dirtyRev or null;
+
+      modules = globalDarwinModules ++ [ 
+        ./hosts/tid27880sperrau/default.nix
+        {
+          users.users.sperrault.home = "/Users/sperrault";
+          home-manager = {
+            useGlobalPkgs = true;
+            useUserPackages = true;
+            users.sperrault = import ./users/sperrault/default.nix;
+          };
+        }
+      ];
+    };
+
     # Expose the package set, including overlays, for convenience.
     # darwinPackages = self.darwinConfigurations."Sloanes-MacBook-Air".pkgs;
   };
diff --git a/.config/nix-darwin/hosts/tid27880sperrau/default.nix b/.config/nix-darwin/hosts/tid27880sperrau/default.nix
new file mode 100644
index 0000000..8dda32a
--- /dev/null
+++ b/.config/nix-darwin/hosts/tid27880sperrau/default.nix
@@ -0,0 +1,10 @@
+{ self, pkgs, ... }:
+{
+  nixpkgs.hostPlatform = "aarch64-darwin";
+
+  homebrew = {
+    casks = [
+      "slack"
+    ];
+  };
+}
diff --git a/.config/nix-darwin/users/sperrault/default.nix b/.config/nix-darwin/users/sperrault/default.nix
new file mode 100644
index 0000000..f4b3606
--- /dev/null
+++ b/.config/nix-darwin/users/sperrault/default.nix
@@ -0,0 +1,189 @@
+{ pkgs, ... }:
+{
+  home = {
+    username = "sperrault";
+    homeDirectory = "/Users/sperrault";
+    stateVersion = "23.11";
+    packages = with pkgs; [
+      jq
+      zoxide
+      yadm
+      devenv
+      watchman
+      fd
+      wget
+    ];
+
+    sessionVariables = {
+      EDITOR = "nvim";
+      KERL_CONFIGURE_OPTIONS="--with-ssl=/opt/homebrew/opt/openssl@3";
+    };
+  };
+
+  programs.fish = {
+    enable = true;
+    interactiveShellInit = ''
+      fish_vi_key_bindings
+      zoxide init fish | source
+      if not set -q TMUX
+        set -g TMUX tmux new-session -d -s default
+        eval $TMUX
+        tmux attach-session -d -t default
+      end
+    '';
+    shellInitLast = ''
+      if test -d /opt/homebrew
+        /opt/homebrew/bin/brew shellenv | source
+      end
+      mise activate fish | source
+    '';
+    plugins = [
+      {
+        name = "hydro";
+        src = pkgs.fetchFromGitHub {
+          owner = "jorgebucaran";
+          repo = "hydro";
+          rev = "41b46a05c84a15fe391b9d43ecb71c7a243b5703";
+          hash = "sha256-zmEa/GJ9jtjzeyJUWVNSz/wYrU2FtqhcHdgxzi6ANHg=";
+        };
+      }
+    ];
+    shellAbbrs = {
+      vim = "nvim";
+      cat = "bat";
+      drs = "darwin-rebuild switch --flake ~/.config/nix-darwin";
+
+      # git
+      g    = "git";
+      ga   = "git add";
+      gb   = "git branch";
+      gc   = "git commit";
+      gcb  = "git checkout -b";
+      gco  = "git checkout";
+      gd   = "git diff";
+      gf   = "git fetch";
+      gp   = "git push";
+      gP   = "git push --force-with-lease";
+      gpl  = "git pull";
+      gplr = "git pull --rebase ";
+      gr   = "git rebase";
+      grr  = "git rebase --continue";
+      gst  = "git status";
+      gca  = "git commit -a";
+    };
+  };
+
+  programs.git = {
+    enable = true;
+    userName = "sloane";
+    userEmail = "1699281+sloanelybutsurely@users.noreply.github.com";
+    signing = {
+      signByDefault = true;
+      key = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAID0TH2GezEx8+zlKBqUb7rBsbmghnd1u4nX6YpQr28Zw";
+    };
+    extraConfig = {
+      init.defaultBranch = "main";
+      push.autoSetupRemote = true;
+      gpg = {
+        format = "ssh";
+        ssh.program = "/Applications/1Password.app/Contents/MacOS/op-ssh-sign";
+      };
+    };
+  };
+
+  programs.jujutsu = {
+    enable = true;
+    settings = {
+      core.fsmonitor = "watchman";
+      user = {
+        name = "sloane";
+        email = "1699281+sloanelybutsurely@users.noreply.github.com";
+      };
+      signing = {
+        sign-all = true;
+        backend = "ssh";
+        key = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAID0TH2GezEx8+zlKBqUb7rBsbmghnd1u4nX6YpQr28Zw";
+        backends.ssh.program = "/Applications/1Password.app/Contents/MacOS/op-ssh-sign";
+      };
+      ui.paginate = "never";
+    };
+  };
+
+  programs.ssh = {
+    enable = true;
+    matchBlocks = {
+      "*" = {
+        extraOptions.IdentityAgent = ''"~/Library/Group Containers/2BUA8C4S2C.com.1password/t/agent.sock"'';
+      };
+    };
+  };
+
+  programs.tmux = {
+    enable = true;
+    keyMode = "vi";
+    shortcut = "a";
+    extraConfig = ''
+      # Set new panes to open in current directory
+      bind c new-window -c "#{pane_current_path}"
+      bind '"' split-window -c "#{pane_current_path}"
+      bind % split-window -h -c "#{pane_current_path}"
+    '';
+    plugins = with pkgs.tmuxPlugins; [
+      sensible
+      prefix-highlight
+      vim-tmux-navigator
+      {
+        plugin = catppuccin;
+        extraConfig = "set -g @catppuccin_flavour 'mocha'";
+      }
+    ];
+  };
+
+  programs.home-manager.enable = true;
+
+  programs.mise = {
+    enable = true;
+
+  };
+
+  programs.direnv = {
+    enable = true;
+    nix-direnv.enable = true;
+  };
+
+  programs.kitty = {
+    enable = true;
+    font = {
+      name = "RecMonoCasual Nerd Font Mono";
+      size = 16;
+    };
+    settings = {
+      confirm_os_window_close = 0;
+      paste_actions = "quote-urls-at-prompt,confirm-if-large";
+    };
+    theme = "Catppuccin-Mocha";
+  };
+
+  programs.bat.enable = true;
+  programs.eza ={
+    enable = true;
+    git = true;
+    icons = true;
+    enableFishIntegration = true;
+    extraOptions = [
+      "--group-directories-first"
+      "--header"
+    ];
+  };
+  programs.fzf.enable = true;
+  programs.gh = {
+    enable = true;
+    settings = {
+      git_protocol = "ssh";
+    };
+  };
+  programs.ripgrep = {
+    enable = true;
+    arguments = [];
+  };
+}