Mastering Harnesses Like Codex Is the Best Investment for AI Agents
TheZachMueller · x · 2026-08-02
A developer points out that current LLMs (like Codex and Claude) don't naturally understand how to optimally drive their own execution environments (e.g., codex exec or claude -p).
By deeply studying how these harnesses and their default tools actually work, developers can gain significantly more control. This understanding helps build a better vocabulary for prompting, making it much easier to steer the agent toward the desired outcome.
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