HonestFilter: AI Comment Detector for Reddit
Subreddits like SideProject are flooded with AI-generated bot comments using repetitive tells such as starting with "honestly", making genuine human insights hard to find.
Is the problem real?
Reddit users notice many comments in SideProject (and similar subs) start with "honestly" and suspect they are AI-generated bot comments flooding discussions.
EVIDENCE
"Soooooo much \"content\" is AI generated these days. \"Honestly\" is a tell."
commentSoooooo much "content" is AI generated these days. "Honestly" is a tell. Along with emdashes. Lots of other clues if you look.
"i noticed many of these subs are flooded with ai comments"
commenti noticed many of these subs are flooded with ai comments.. so my money is on that
"honestly, I don't know."
commenthonestly, I don't know.
Who feels this pain?
TARGET USERS
Frequent posters and commenters in indie hacker and side project forums seeking authentic discussions but frustrated by AI spam.
Context
Current Workarounds
Where's the gap?
EXISTING SOLUTION GAPS
OPPORTUNITY & VALUE
Multiple users independently calling out "honestly" as AI tell and AI comment flooding in SideProject discussions.
Reddit-native, lightweight pattern + simple ML focused only on comment tells rather than general-purpose AI detectors.
Browser extension that scans Reddit comment threads in real-time and highlights or filters probable AI-generated content based on tell patterns and lightweight detection.
How does it make money?
MONETIZATION
Model
Users actively complain about AI flood ruining discussions and already invest time manually spotting tells; small monthly fee is cheaper than lost time reading spam in valued communities.
How do you ship it?
MVP PLAN
“Spot AI comments instantly so you see real human takes first.”
Browser extension that scans Reddit comment threads in real-time and highlights or filters probable AI-generated content based on tell patterns and lightweight detection.
Core Features
Weekly Roadmap
- •Implement rule-based tell matcher (honestly, em-dashes)
- •Build comment scanner content script
- •Create options popup UI
- •Inject highlights on page load/scroll
- •Add hide/filter toggle
- •Store user preferences locally
- •Test on 20+ SideProject threads
- •Implement Stripe checkout for premium
- •Add simple analytics for flagging accuracy
- •Publish to Chrome Web Store
- •Post launch thread in r/SideProject
- •Collect feedback via in-extension form
Launch on r/SideProject, r/indiehackers, and Product Hunt as a free Chrome extension with premium upsell
RISKS & ASSUMPTIONS
Top Risks
AI models improve quickly and may evade simple tell-based detection, requiring ongoing updates.
API limits or policy changes could block real-time comment scanning.
Core flagging may be sufficient for many users, limiting premium uptake.
Mislabeling human comments as AI could frustrate users in tight-knit communities.
Should you build it?
Run an Investment Memo to get a structured Go / No-Go verdict, competitor landscape, unit economics, and a 90-day validation roadmap for this opportunity.
Generate an investment memoWhat this score means
This idea scores in the upper-middle range of opportunities surfaced by MonetScope, with a validation sub-score of 8/10 against 3 independently sourced evidence signals. A "promising" rating usually indicates a real pain has been detected and discussed in the open, but the pipeline did not find enough signal to flag it as urgent or high-frequency. These opportunities can still produce excellent businesses — they often correspond to "boring" problems that established players have ignored — but the founder should expect a longer customer-development cycle to confirm willingness to pay.
Why this matters for Other founders
It sits at the intersection of "ai-powered", "automation", "browser-extension", which makes it relevant to a specific subset of founders rather than a generic horizontal opportunity. Opportunities in this category typically reward founders who can describe the pain in the user's own language — both because that's the basis of effective marketing, and because it's the strongest signal that the founder has done the upfront listening. The MonetScope pipeline surfaces this category alongside other other signals, which is why it appears here rather than in a generic "trending ideas" feed.
Scores are derived from real forum discussions across Reddit, Hacker News and X, weighted by evidence volume and signal quality. How scoring works
Frequently asked questions
Is "HonestFilter: AI Comment Detector for Reddit" a real validated startup idea or just an AI-generated suggestion?
MonetScope does not generate ideas from a language model's imagination. Every opportunity on this site is anchored to specific source posts and comments from real public discussions — typically on Reddit, Hacker News, or X — where actual users describe the pain in their own words. The AI's role is structuring, scoring, and grouping those signals into a navigable opportunity, not inventing the problem.
How recent is the underlying data for ai-powered?
MonetScope's spider pipeline runs continuously and surfaces opportunities as new evidence accumulates. The "Updated" date in the header reflects the most recent re-scoring of this specific opportunity. Most other opportunities visible in the public catalog draw from discussions in the last 30-60 days; older signals are de-prioritized because user pain shifts faster than most founders assume.
What's the difference between "overall score" and "validation score"?
Overall score is a composite across six dimensions — pain, urgency, willingness to pay, market size, defensibility, and execution ease — designed to give a single number for triage. Validation score is narrower: it asks "how cleanly does the same signal repeat across independent sources?" An opportunity can score high on overall but lower on validation when one or two large discussions dominate the evidence; conversely, validation can be high on a smaller-overall idea where the signal is consistent but the addressable market is modest.