{
  description = "Install and update agent skills from git repositories";

  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";

  outputs =
    { self, nixpkgs }:
    let
      version = "0.1.0";
      systems = [
        "aarch64-darwin"
        "x86_64-darwin"
        "aarch64-linux"
        "x86_64-linux"
      ];
      forAllSystems = f: nixpkgs.lib.genAttrs systems (system: f nixpkgs.legacyPackages.${system});
    in
    {
      packages = forAllSystems (pkgs: {
        default = pkgs.callPackage ./nix/package.nix { inherit version; src = self; };
      });

      homeManagerModules.default = import ./nix/home-manager.nix self;

      devShells = forAllSystems (pkgs: {
        default = pkgs.mkShell {
          packages = [
            pkgs.go
            pkgs.gopls
          ];
        };
      });
    };
}