Sentinel: A QA Agent That Reads Code Before Acting
asenna · hn · 2026-07-16
A Hacker News post introduces an open-source QA agent called Sentinel, featuring a "read the code before deciding to click" approach.
Instead of simply generating code, it acts as a pre-change inspection/validation step, helping agents understand the context before executing actions to reduce misoperations. The post is concise but clearly positions it as an agent tool designed for code review and automated verification.
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