🔧 My AI coding agent reverted a core feature in one buried line — and its commit messages lied about it

2026-07-23 — Masih Moafi

I build Elpis, a terminal coding agent forked
from Codex-rs, focused on one thing: keeping your context window empty. Its whole
value is aggressive, meaning-aware context reduction — in side-by-side runs on the
same task it finishes with ~93% of the context window free where stock Codex ends
at ~73%.

I build it with AI...