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Signal filter for HN/news aggregators in the AI-content era

AI-discovered

Problem

Long-time HN readers report that in the last 2-3 years, driven by AI-generated content and AI-flavored submissions, keeping up with genuinely interesting articles and discussions has become dramatically harder. The volume of low-signal posts crowds out the discussions that made aggregators valuable, and the only coping strategy people admit to is 'simply ignoring interesting stuff more and more'.

Opportunity

A curation/filtering layer for HN (and similar aggregators) that scores and ranks items by human discussion quality rather than raw points — detecting AI-generated submissions, recycling, and engagement farming, and surfacing high-signal threads. Could ship as a daily digest, an alternative front-end, or an API.

Market analysis

The pain is widely echoed, but the existing coping mechanisms are free (hand-curated digests like Hacker Newsletter, minimal alternative front-ends) and the core technical bet — reliably detecting AI-generated submissions — is a known-unsolved problem with high false-positive costs. As a product it fights both consumer free-tolerance and the reality that the platform's own moderation may absorb the fix.

Market · Information-overloaded developers and tech professionals who read HN daily; strong empathy for the problem, unproven willingness to pay for a filter layer over a free site.

Pricing · Consumer digest norms: free with optional $3-5/mo supporter tier (comparable newsletters are free or ad-supported); an API/B2B angle for other aggregators is speculative.

score 4/10 by glm-5.1

Pros

  • + Pain is current, widely shared, and openly discussed on the platform itself.
  • + MVP is cheap: HN's public API plus a scoring model, no infrastructure moat needed.
  • + Alternative front-end format offers daily-use visibility that digests lack.

Cons

  • − AI-text detection is unreliable; false positives destroy trust in a curation tool.
  • − Free incumbents: hand-curated Hacker Newsletter and existing minimal readers.
  • − Platform risk: HN algorithm/moderation changes could obsolete the layer overnight.

Source

Hacker News (Ask HN)

Open original thread ↗

The trap in this idea is treating AI detection as the feature when it should at most be one weak signal. Academic evaluations of AI-text detectors consistently show unacceptable error rates, and a curation tool that visibly mislabels a human-written post as slop loses the authority it was selling. The defensible version ranks by what is measurable — discussion depth, comment-to-point ratios, commenter quality history, domain diversity across submitters — and never claims to ‘detect AI’ at all. Notably, the strongest competitor here is behavioral: the community’s own taste expressed through front-page curation, which is exactly the signal a filter layer must out-predict to be worth opening every morning.