Dev builds Rust dead code cleanup tool hawk with Codex

Developer Charlie Marsh used Codex to create hawk, a Rust tool that detects unnecessary visibility and dead code across Cargo workspaces, successfully removing thousands of lines of redundant code.

2026-07-21 ~ 2026-07-21 · 2 related posts

• Charlie Marsh says Codex built a Rust lint that deleted thousands of lines — charliermarsh · 2026-07-21
• Codex built hawk to remove dead code and has already deleted thousands of lines — charliermarsh · 2026-07-21