LLM Hacker News 3h ago 2 min read
Sebastian Raschka's April 4, 2026 article argues that coding-agent quality is shaped as much by the harness as by the base model. He breaks the stack into six components: live repo context, prompt and cache reuse, structured tools, context reduction, session memory, and bounded subagents. Hacker News treated it as a practical framework for understanding why products like Codex and Claude Code feel stronger than plain chat.