{
  description = "Harald Hoyer's Nix Configurations";

  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs/nixos-25.05";

    # NixPkgs Unstable (nixos-unstable)
    unstable.url = "github:nixos/nixpkgs/nixos-unstable";

    cratedocs = {
      url = "git+https://git.hoyer.xyz/harald/cratedocs-mcp.git";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    crane.url = "github:ipetkov/crane/v0.20.3";
    rust-overlay = {
      url = "github:oxalica/rust-overlay";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    lanzaboote = {
      url = "github:nix-community/lanzaboote/v0.4.2";
      inputs.nixpkgs.follows = "nixpkgs";
      inputs.crane.follows = "crane";
      inputs.rust-overlay.follows = "rust-overlay";
    };

    snowfall-lib = {
      url = "github:snowfallorg/lib";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    # macOS Support (master)
    darwin.url = "github:lnl7/nix-darwin/nix-darwin-25.05";
    darwin.inputs.nixpkgs.follows = "nixpkgs";

    nix-homebrew.url = "github:zhaofengli-wip/nix-homebrew";
    homebrew-core = {
      url = "github:homebrew/homebrew-core";
      flake = false;
    };
    homebrew-cask = {
      url = "github:homebrew/homebrew-cask";
      flake = false;
    };
    homebrew-bundle = {
      url = "github:homebrew/homebrew-bundle";
      flake = false;
    };

    home-manager.url = "github:nix-community/home-manager/release-25.05";
    home-manager.inputs.nixpkgs.follows = "nixpkgs";

    neovim-flake.url = "github:NotAShelf/nvf/";
    neovim-flake.inputs.nixpkgs.follows = "nixpkgs";

    disko.url = "github:nix-community/disko";
    disko.inputs.nixpkgs.follows = "nixpkgs";

    sops-nix.url = "github:Mic92/sops-nix";
    sops-nix.inputs.nixpkgs.follows = "nixpkgs";

    nixsgx-flake = {
      url = "github:matter-labs/nixsgx";
      # inputs.nixpkgs.follows = "nixpkgs";
    };

    simple-nixos-mailserver.url = "gitlab:simple-nixos-mailserver/nixos-mailserver/nixos-25.05";
    simple-nixos-mailserver.inputs.nixpkgs.follows = "nixpkgs";

    claude.url = "github:k3d3/claude-desktop-linux-flake";
    claude.inputs.nixpkgs.follows = "nixpkgs";
  };

  outputs =
    inputs:
    let
      lib = inputs.snowfall-lib.mkLib {
        inherit inputs;
        src = ./.;

        snowfall.namespace = "metacfg";

        snowfall = {
          meta = {
            name = "metacfg";
            title = "Metacfg";
          };
        };
      };
    in
    lib.mkFlake {
      channels-config = {
        allowUnfree = true;
      };

      homes.modules = with inputs; [ neovim-flake.homeManagerModules.default ];

      systems.modules.nixos = with inputs; [
        nix-homebrew.darwinModules.nix-homebrew
        lanzaboote.nixosModules.lanzaboote
        home-manager.nixosModules.home-manager
        sops-nix.nixosModules.sops
        disko.nixosModules.disko
        simple-nixos-mailserver.nixosModule
        cratedocs.nixosModules.default
      ];

      overlays = with inputs; [
        nixsgx-flake.overlays.default
        (final: prev: {
          inherit (claude.packages.${prev.system}) claude-desktop-with-fhs;
        })
        (final: prev: {
          inherit (cratedocs.packages.${prev.system}) cratedocs-mcp;
        })
      ];

      outputs-builder = channels: {
        formatter = channels.nixpkgs.nixfmt-rfc-style;
        defaultApp = lib.flake-utils-plus.mkApp { drv = channels.nixpkgs.home-manager; };
      };

    };
}