There are a few custom makers. They tend to be backed up, probably because it's duller than painting fences to solder jacks so not many offer it. Diy ftw.
Fwiw, a couple of longer patch leads gets you into the loop by unplugging one pedal, all of 20 seconds if you're leaving the gap for the insert box you don't need.
Team Trace Elliot #1, IWNBARMPB Prezident, Mediocre Bassist #399, Old Basstard #86, PBBBC #2