New Codex Compaction Resembles a Message Board, May Encourage Agent Note-Taking

A developer noticed that the new Codex compaction output resembles a message board, speculating that this format may lead the model to leave notes for other agents and drive its note-taking behavior.

2026-09-06 ~ 2026-09-06 · 2 related posts

• New Codex compaction looks like a message board — is that why models love leaving notes? — mariofilhoml · 2026-09-06
• Dev speculates new Codex compaction resembles a message board, shaping agent note-leaving behavior — mariofilhoml · 2026-09-06