Genfabco founder Matt Parlmer says Claude Code's 'ultracode' setting triggers constant 400 errors via 'redacted_thinking' safeguards

— Similar 400 errors also hit standard Claude app workflows.

Original post

OPMB#20Miles Brundage|@MILES_BRUNDAGE

I am getting this even without ultracode, just using workflow in the Claude app

2:16 PM · May 28, 2026 View on X