{
  description = "System Configuration";

  inputs = {
    nixpkgs = {
      url = "github:nixos/nixpkgs?ref=nixos-unstable";
    };
    home-manager = {
      url = "github:nix-community/home-manager/master";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    hyprland = {
      url = "github:hyprwm/Hyprland";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    hy3 = {
      url = "github:outfoxxed/hy3";
      inputs.hyprland.follows = "hyprland";
    };
    split-monitor-workspaces = {
      url = "github:Duckonaut/split-monitor-workspaces";
      inputs.hyprland.follows = "hyprland";
    };
    nix-darwin = {
      url = "github:LnL7/nix-darwin/master";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    sops-nix = {
      url = "github:Mic92/sops-nix";
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };

  outputs =
    { self, nixpkgs, ... }@inputs:
    {
      nixosConfigurations = {
        drew-desktop = (import ./system/hosts/drew-desktop) {
          inherit inputs;
          inherit self;
          inherit nixpkgs;
        };
        mcp = (import ./system/hosts/mcp) {
          inherit inputs;
          inherit self;
          inherit nixpkgs;
        };
        vega = (import ./system/hosts/vega) {
          inherit inputs;
          inherit self;
          inherit nixpkgs;
        };
      };
      darwinConfigurations = {
        # Removed.  See 133a3f82073f03e62cb3e7902c85fb3fc6292fe2 for when the
        # last one was removed.
      };
      features = {
        development = (import ./home-manager/features/development/development.nix);
      };
    };
}