these 3 derivations will be built:
  /nix/store/95y5iaqr63pk4v05p8bafpgicfvm49h8-agent-skill-wikipedia.drv
  /nix/store/z3rmk0z9wh5h9iv1i6a4ccf1fhf0z2ba-agent-skill-offline-wiki.drv
  /nix/store/kk5xg8y2yn9i66chbyny46710y3yar2b-agent-skills.drv