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Ask HN: How much of your token use is fixing the bugs Claude Code causes?

1•laurex•2m ago•0 comments

Show HN: Agents – Sync MCP Configs Across Claude, Cursor, Codex Automatically

https://github.com/amtiYo/agents
1•amtiyo•2m ago•0 comments

Hello

1•otrebladih•4m ago•0 comments

FSD helped save my father's life during a heart attack

https://twitter.com/JJackBrandt/status/2019852423980875794
1•blacktulip•6m ago•0 comments

Show HN: Writtte – Draft and publish articles without reformatting, anywhere

https://writtte.xyz
1•lasgawe•8m ago•0 comments

Portuguese icon (FROM A CAN) makes a simple meal (Canned Fish Files) [video]

https://www.youtube.com/watch?v=e9FUdOfp8ME
1•zeristor•10m ago•0 comments

Brookhaven Lab's RHIC Concludes 25-Year Run with Final Collisions

https://www.hpcwire.com/off-the-wire/brookhaven-labs-rhic-concludes-25-year-run-with-final-collis...
2•gnufx•12m ago•0 comments

Transcribe your aunts post cards with Gemini 3 Pro

https://leserli.ch/ocr/
1•nielstron•16m ago•0 comments

.72% Variance Lance

1•mav5431•17m ago•0 comments

ReKindle – web-based operating system designed specifically for E-ink devices

https://rekindle.ink
1•JSLegendDev•19m ago•0 comments

Encrypt It

https://encryptitalready.org/
1•u1hcw9nx•19m ago•1 comments

NextMatch – 5-minute video speed dating to reduce ghosting

https://nextmatchdating.netlify.app/
1•Halinani8•20m ago•1 comments

Personalizing esketamine treatment in TRD and TRBD

https://www.frontiersin.org/articles/10.3389/fpsyt.2025.1736114
1•PaulHoule•21m ago•0 comments

SpaceKit.xyz – a browser‑native VM for decentralized compute

https://spacekit.xyz
1•astorrivera•22m ago•0 comments

NotebookLM: The AI that only learns from you

https://byandrev.dev/en/blog/what-is-notebooklm
1•byandrev•22m ago•1 comments

Show HN: An open-source starter kit for developing with Postgres and ClickHouse

https://github.com/ClickHouse/postgres-clickhouse-stack
1•saisrirampur•23m ago•0 comments

Game Boy Advance d-pad capacitor measurements

https://gekkio.fi/blog/2026/game-boy-advance-d-pad-capacitor-measurements/
1•todsacerdoti•23m ago•0 comments

South Korean crypto firm accidentally sends $44B in bitcoins to users

https://www.reuters.com/world/asia-pacific/crypto-firm-accidentally-sends-44-billion-bitcoins-use...
2•layer8•24m ago•0 comments

Apache Poison Fountain

https://gist.github.com/jwakely/a511a5cab5eb36d088ecd1659fcee1d5
1•atomic128•26m ago•2 comments

Web.whatsapp.com appears to be having issues syncing and sending messages

http://web.whatsapp.com
1•sabujp•26m ago•2 comments

Google in Your Terminal

https://gogcli.sh/
1•johlo•27m ago•0 comments

Shannon: Claude Code for Pen Testing: #1 on Github today

https://github.com/KeygraphHQ/shannon
1•hendler•28m ago•0 comments

Anthropic: Latest Claude model finds more than 500 vulnerabilities

https://www.scworld.com/news/anthropic-latest-claude-model-finds-more-than-500-vulnerabilities
2•Bender•32m ago•0 comments

Brooklyn cemetery plans human composting option, stirring interest and debate

https://www.cbsnews.com/newyork/news/brooklyn-green-wood-cemetery-human-composting/
1•geox•32m ago•0 comments

Why the 'Strivers' Are Right

https://greyenlightenment.com/2026/02/03/the-strivers-were-right-all-along/
1•paulpauper•34m ago•0 comments

Brain Dumps as a Literary Form

https://davegriffith.substack.com/p/brain-dumps-as-a-literary-form
1•gmays•34m ago•0 comments

Agentic Coding and the Problem of Oracles

https://epkconsulting.substack.com/p/agentic-coding-and-the-problem-of
1•qingsworkshop•35m ago•0 comments

Malicious packages for dYdX cryptocurrency exchange empties user wallets

https://arstechnica.com/security/2026/02/malicious-packages-for-dydx-cryptocurrency-exchange-empt...
1•Bender•35m ago•0 comments

Show HN: I built a <400ms latency voice agent that runs on a 4gb vram GTX 1650"

https://github.com/pheonix-delta/axiom-voice-agent
1•shubham-coder•35m ago•0 comments

Penisgate erupts at Olympics; scandal exposes risks of bulking your bulge

https://arstechnica.com/health/2026/02/penisgate-erupts-at-olympics-scandal-exposes-risks-of-bulk...
4•Bender•36m ago•0 comments
Open in hackernews

Show HN: I built the literal Duolingo Killer

https://kanjieight.vercel.app/
11•Mikecraft•2mo ago
Hi Everyone,

I recently wanted to learn Japanese with duolingo but it kept giving me repetitive lessons. So I built an app that gives a variety of lessons from anime.

You can try it out here:https://kanjieight.vercel.app/

Thanks everyone.

Comments

datenyan•2mo ago
To preface this, I'm not a Japanese speaker, so perhaps my fears are misplaced, but learning from anime seems like it'd present users with a very particular flavour of Japanese (i.e. one that is much more hyperactive or exaggerated than how the language might be used in day-to-day conversations between native speakers).

That being said, if this is meant to be an alternative to Duolingo, which is insistent that you absolutely need to know that the bear wants a cup of tea, then I guess this is infinitely better in that regard.

thecopy•2mo ago
>4.8 star global App Store rating

Which app store?

cachius•2mo ago
Shady. In the next screen it already has a 4.9 App Store Rating https://kanjieight.vercel.app/welcome
jchw•2mo ago
It is apparently 4.9 as well.

https://kanjieight.vercel.app/welcome

Interesting.

mcny•2mo ago
I would love an option that doesn't require sign in with Google.
orphea•2mo ago
Can you disclose if AI was used to build the app, and, if yes, in what capacity?
Mikecraft•2mo ago
The Content in the website were all hand made by me with the audio coming from a real japanese native.
neatbea•2mo ago
Liar liar pants on fire, the website is made with.... ai prompts
allanmacgregor•2mo ago
You have nothing on the website that entices the user to start a free trial, no pricing, no examples, you listed backed by research of yale usc but there are no links to said research, this looks like AI Slop at best; Scam at worst.

4.8 star global App Store rating except is not listed on any apps stores is it?

e12e•2mo ago
I kind of imagined the app would be more than a handful of random sound samples for anime with subtitles?

I'm guessing the content is ripped (possibly legally due to the short duration - and using only(?) sound? Although if the subtitles are ripped too, I imagine that's not fair use?).

rand17•2mo ago
This is a description that turns on every red light in my head: "netflix for", "binge watching", "turning into", "keep you hooked", "but smarter" etc. - probably I'm not the target age demographic or maybe this is an American thing? Also, the meaning of literal, here, would be something like having a hamster named Duolingo and you built a gun to kill the animal. That's a literal killer appliance.
luke-stanley•2mo ago
Old man yells at cloud: that's not what "literal killer" means.
readthenotes1•2mo ago
"literal" and "literally" are both now commonly used oxymoronically as a figure of speech warning of the use of metaphor and/or exaggeration.

It literally drives me nuts

frizlab•2mo ago
I was expecting a kind of game where you shoot the Duolingo bird. I am disappointed now.
b800h•2mo ago
By literal, I assumed that you meant that the app allowed you to kill Duo the green owl, which I am sure many people feel like doing after all the cajoling, threats and emotional manipulation that he deals out when you miss a lesson.
neatbea•2mo ago
This is an ai generated website scam :/
allanmacgregor•2mo ago
I think you are right, scam at worst; shady and lazy AI slop at best
freitasm•2mo ago
On the homepage screenshot, there's an "it's" where it should be "its".

Details matter if teaching language.

emulatedmedia•2mo ago
> Learn new languages 2.7x faster with Kanji #8's proven learning method.

Proven by whom? How did they get that number?

Is it this some kind of satire website?

madmod•2mo ago
I signed up and there is nothing to do without paying. At least have one free clip as a demo.
kaishin•2mo ago
I appreciate the prompt engineering effort, but it's a lot of claims and not much substance. Also, I wouldn't call Japanese used in anime "real Japanese", especially from anime like Attack on Titan. And how do you get around the copyright issue? Does this fall under fair use?