Reverse Engineering Reveals Codex CLI Context Compaction Mechanism

Reverse engineering reveals that the open-source Codex CLI handles context compaction simply by sending an API request to generate a handover summary, relying entirely on the LLM to summarize the conversation.

2026-08-12 ~ 2026-08-13 · 2 related posts

• Reverse Engineering Reveals Codex CLI Compaction is Just an LLM Summarization Call — a_karvonen · 2026-08-12
• Reverse Engineering Context Compaction in Open-Source Codex CLI — Kangwook_Lee · 2026-08-13