Toybox already supplies:

  bzcat cat cp dirname echo patch rmdir sha1sum sleep sort sync true uname wc
  which yes env

Let's see, by manual inspection do_manifest can call:
  hg git svn zcat

Base aboriginal build, minus build tools and toybox:
  awk basename bzip2 chmod chown cmp cut date dd diff
  egrep expr find grep gzip head hostname id install ln ls
  mkdir mktemp mv od readlink rm sed sh
  tail tar touch tr uniq wget whoami xargs

LFS adds:
  bash chgrp comm gunzip less logname man split
  tee test time

Init scripts, native build wrappers, command line conveniences, etc:
  bunzip2 chgrp chroot comm cpio dmesg dnsdomainname ftpd ftpget ftpput gunzip
  ifconfig init less logname losetup man mdev mount mountpoint nc pgrep pkill
  pwd route split stat switch_root tac tee test time umount vi