Tag: Context Engineering

All the articles with the tag "Context Engineering".

• Agent Context Compaction: From Cursor's Self-Compaction to Claude Code and Codex CLI

  18 Mar, 2026

  Cursor trains models to self-compact via RL for long-horizon tasks. We dissect the KV cache reuse mechanism and compare it with Claude Code's 9-section structured compact and Codex CLI's auto-compact through reverse engineering.