Your website recommends using `nix-env` to install tools. This hasn’t been the recommended way for a while. It should either be installed declaratively, used in a shell without installing, or be installed using `nix profile`.
https://github.com/lycheeverse/lychee?tab=readme-ov-file#nix...
https://github.com/sharkdp/fd?tab=readme-ov-file#on-nixos--v...
https://github.com/umlx5h/gtrash?tab=readme-ov-file#nixpkgs-...
Thanks for the heads up!