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Show HN: Cerno – CAPTCHA that targets LLM reasoning, not human biology

https://cerno.sh
10•plawlost•1h ago

Comments

opem•1h ago
this game is a rage bait! Try solving on a mobile device. I don't think an elderly person would ever be able to get through this!
king_phil•1h ago
Was impossible for me to solve, too, on mobile.
bestouff•1h ago
Same. I think an AI would have an easier time than me.
ahofmann•1h ago
I managed once to complete the maze, but then it went into "checking" and a spinner forever.
ge96•1h ago
Even when I successfully draw a path from green to red, not touching anything it says "Sorry that's not quite right"
iwalton3•1h ago
Unfortunately it didn't work for me with my trackball mouse. I tried multiple times. This is very likely also problematic for accessibility without another verification pathway, as assistive devices and screen readers would fail the heuristics too.
dcliu•1h ago
Interesting idea but it didn't accept me the first 3-4 times I tried to draw the path on laptop trackpad - going slow led to it failing before I was finished, going fast led to messy paths that were rejected as well. Could something like this work for users with different levels of dexterity?
kccqzy•1h ago
I am on a mobile device and I consistently find that my finger is not precise enough to draw a path; it kept complaining about path “not quite right” where my path just touched the wall a little bit. And when my finger literally obscures the screen while drawing, it essentially means I have to memorize an entire path before beginning.

This requires significant spatial thinking skills and short-term memory for a human and it is absolutely unfair for a human to expend that much cognitive power to access a website.

happytoexplain•1h ago
Everybody is saying it's impossible on mobile/trackpads, but I couldn't do it with a mouse either :(
CoUHKT57BSe•1h ago
I'm assuming this is an april fools joke... cause it just don't work at all as a CAPTCHA.
ranger_danger•52m ago
The description doesn't make sense either... like "Color-word interference at maze decision points", but there are no colors (or words) at the decision points.
ravenical•1h ago
Is the idea that if you /pass/, you're an AI?
_diyar•58m ago
I‘m as confused as the other commenters, especially since it‘s unusable on an iPad.
simlevesque•57m ago
I did it correctly with a mouse and was rejected. Then I drew a straight line and was rejected. Then I closed the tab.
Surac•51m ago
Does not work on a touchscreen. Can’t see maze under finger and smh it always kicks me in the middle of the drawing
ceayo•49m ago
am i a robot or is this just way too hard?
1attice•28m ago
Did not work for me (kept getting "something's not right") but I applaud the concept.

I worry a bit about accessibility but that is a problem all CAPTCHAs have

DHolzer•27m ago
like the idea, but i cant see what i'm doing when my finger coveres the screen

Show HN: Postgres extension for BM25 relevance-ranked full-text search

https://github.com/timescale/pg_textsearch
54•tjgreen•4h ago•20 comments

Show HN: Forkrun – NUMA-aware shell parallelizer (50×–400× faster than parallel)

https://github.com/jkool702/forkrun
80•jkool702•4d ago•11 comments

Show HN: PhAIL – Real-robot benchmark for AI models

https://phail.ai
17•vertix•4h ago•8 comments

Show HN: Loreline, narrative language transpiled via Haxe: C++/C#/JS/Java/Py/Lua

https://loreline.app/en/docs/technical-overview/
48•jeremyfa•3d ago•16 comments

Show HN: Sundial – a new way to look at a weather forecast

https://sundial.page/
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Show HN: Hyprmoncfg – Terminal-based monitor config manager for Hyprland

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10•earcar•5h ago•4 comments

Show HN: Lazy-tool: reducing prompt bloat in MCP-based agent workflows

https://github.com/rpgeeganage/lazy-tool
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Show HN: I turned a sketch into a 3D-print pegboard for my kid with an AI agent

https://github.com/virpo/pegboard
62•virpo•22h ago•16 comments

Show HN: DeepTable – an API that converts messy Excel files into structured data

https://docs.deeptable.com/
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Show HN: Pardus Browser- a browser for AI agents without Chromium

https://github.com/JasonHonKL/PardusBrowser/tree/main
15•JasonHEIN•10h ago•8 comments

Show HN: Coasts – Containerized Hosts for Agents

https://github.com/coast-guard/coasts
89•jsunderland323•1d ago•37 comments

Show HN: Margo – Find the font your brain reads fastest

https://margo.fyi/
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https://github.com/glassrun/clawdesk
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https://github.com/herd-core/herd
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https://github.com/brookstalley/prawduct
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https://github.com/reprompt-dev/reprompt
3•LuxBennu•5h ago•3 comments

Show HN: PromptQL – AI-Native Slack

https://promptql.io
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Show HN: Vibe Check – UX Benchmark for vibe designs

https://vibecheck.appvelocity.io
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Show HN: Trama – Stop writing agent orchestration

https://github.com/NaNhkNaN/trama
6•NaNhkNaN•7h ago•0 comments

Show HN: Wageslave – I quit my soul sucking job to make a game about it

https://cauldron.itch.io/wageslave
7•stonecauldron•4h ago•2 comments

Show HN: Rust UEFI UI Lib

https://github.com/sloev/uefi-ui
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Show HN: WebRTC video calls, no account needed

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3•ddoronin•9h ago•2 comments

Show HN: An extension that opens any Goodreads book in anna's or Zlib in a click

https://chromewebstore.google.com/detail/goodlib-zlib-annas-archiv/aiampblkjnmfogckjfiecodcnenleehp
2•NubPlayz•3h ago•2 comments