HNswered: Watch for replies to your Hacker News posts and comments.

HNswered addresses a genuine pain point for highly engaged Hacker News users: keeping track of replies to content you've authored without relying on cumbersome or intrusive external services. By leveraging the inherent structure of HN—where replies point back to parent comments—the extension constructs a localized monitoring system. This local processing is its most significant selling point, positioning it as an end-to-end solution that respects user privacy and avoids the overhead of managing cloud credentials or third-party API keys. Technically, the core mechanism is remarkably straightforward but effective. It requires the user's HN username to 'remember' their own historical contributions. The extension then monitors public comment streams for any comments that explicitly reference a parent item (your original post). Since the state is held entirely within Chrome Storage, the flow remains self-contained and impervious to external server downtime or data breaches. This design philosophy makes it inherently more resilient and trustworthy than many 'social monitoring' tools that require a full OAuth dance with a backend. While the concept is simple, the implementation detail of ensuring it captures replies regardless of how deep the thread is, or how long the user has been inactive, is non-trivial. The inclusion of local logic to 'catch up' when the browser has been asleep or closed demonstrates a thoughtful approach to state management, mitigating the session loss common in browser extensions. For web developers and developers familiar with Chrome extension APIs, the architecture signals a focus on reliability and user experience over feature bloat. HNswered is ideally suited for power users who value control and privacy. It represents a smart intersection of productivity tooling and local client-side computation. If a user is comfortable working within the Chrome ecosystem and wants to optimize their interaction with public developer communities like Hacker News, this tool is a highly practical, minimalist, and deeply secure answer to the problem of digital follow-up.