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Harness engineering: leveraging Codex in an agent-first world
February 11, 2026
Ryan Lopopolo discusses how OpenAI’s Codex can be leveraged in an agent-first workflow for harness engineering, focusing on ways to structure tasks and tooling around autonomous code assistants. The piece matters because it frames Codex as a practical component of engineering systems rather than just a standalone coding aid.
By Ryan Lopopolo, Member of the Technical Staff
Source: openai.com