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YesTool not named · 17 Jun 2026

We've found that methods like this substantially increase the quality and reliability of coding agent output

deet on Hacker News

In the thread “TREX: An AI code reviewer that runs your code”

Helped: Sandboxed execution, interactive testing, and visual confirmation via vision models.

We've found that methods like this substantially increase the quality and reliability of coding agent output. The ability to run code in a sandbox, drive an interactive session using a browser or API calls or other apps, and visually confirm output via vision models all adds up to plugging a big hole in the feedback loop for agent modifying a complex codebase. …