Yes
Once the legacy codebase is “LLMified”, the coding agents seem to perform more predictably
jumploops on Hacker News
In the thread “A few random notes from Claude coding quite a bit last few weeks”, replying to this comment
Helped: Refactoring existing codebases to match current requirements before using agents.
… splitting out helpers, modularizing, renaming, etc.). Once the legacy codebase is “LLMified”, the coding agents seem to perform more predictably. YMMV here, as it’s hard to do large refactors without tests for correctness. …