This is the idea behind acpx as well acpx is a meta-harness. it’s main idea is to delegate harness development to others, because it is hard to match the full might of OpenAI or Anthropic when it comes to building a harness so it takes it at face value the functionality other harnesses provide, and let’s you program them from the outside flue came out the other day which is similar, it would be cool if flue could let me program over codex as well. it looks very interesting!