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Re:Harness engineering: Leveraging Codex in an agent-first w... by gildas on Sunday June 07, 2026 @07:56AM (#48433972)
I have an example of a side-project [1] where I think I naturally applied the best practices described in this article. My goal was to see if it's possible to code an entire project using a single agent (Claude).

To do this, I “simply” asked the agent, every time it encountered an issue, how to resolve it, using a validation tool or script. I also asked it to code these tools during each audit. As a result, I now have over 30+ rules [2] for validating their commits. It's working pretty well now.

[1] https://github.com/gildas-lormeau/rebuild-and-ruin (let the timer expire to see the "demo" mode)

[2] https://github.com/gildas-lormeau/rebuild-and-ruin/blob/a4c3...

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