{
  inputs.nixpkgs.url = "github:NixOS/nixpkgs";

  outputs = { self, nixpkgs }:
  let
    system = "x86_64-linux";
    lib = nixpkgs.lib;

    pkgsDir = ./pkgs;

    entries = builtins.readDir pkgsDir;

    # only subdirectories
    pkgNames =
      lib.attrNames (lib.filterAttrs (_: t: t == "directory") entries);

    loadPkg = name:
      let
        path = pkgsDir + "/${name}";
        flake = builtins.getFlake (toString path);
      in
        # since all are guaranteed identical shape:
        flake.packages.${system}.default;

    # build final package set
    packages =
      lib.listToAttrs (
        map (name: {
          inherit name;
          value = loadPkg name;
        }) pkgNames
      );

  in {
    packages.${system} = packages;

    overlays.default = final: prev: {
      myPkgs = packages;
    };
  };
}