{ inputs, outputs }:
let
  inherit (inputs.nixpkgs.lib) filterAttrs mapAttrs elem;

  notBroken = pkg: !(pkg.meta.broken or false);
  hasPlatform = sys: pkg: elem sys (pkg.meta.platforms or [ ]);
  filterValidPkgs = sys: pkgs: filterAttrs (_: pkg: hasPlatform sys pkg && notBroken pkg) pkgs;
  getCfg = _: cfg: cfg.config.system.build.toplevel;
in
{
  pkgs = mapAttrs filterValidPkgs outputs.packages;
  hosts = mapAttrs getCfg outputs.nixosConfigurations;
}