
Open Reasoning — Claude's Hidden Reasoning, Unsealed
Decrypt and verify Claude Sonnet 5's hidden reasoning using encrypted thinking signatures and a secret key.
bayes-song · HN
Unlock Claude Sonnet 5's original reasoning
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Decrypt and verify Claude Sonnet 5's hidden reasoning using encrypted thinking signatures and a secret key.
bayes-song · HN
Unlock Claude Sonnet 5's original reasoning

Analyze chess games with natural language explanations using an open-source browser tool with no login required.
u/ICARUS_2X · Reddit
Spent 7 months building a FOSS platform for natural-language chess analytics (No LLM) Hey guys, I've released CHONSE2, an open-source game review platform that offers unlimited analysis and move explanations without using hallucination-prone LLMs, running entirely in your browser. chonse2.com But Lichess is free, so why use this? Some have asked. It expands on Lichess's feature set a few different ways: Full analysis (accuracy/elo estimations/eval graphs, etc) requir

Block distracting websites by solving math or coding puzzles.
hackitup7 · HN
TLDR built a Chrome site blocker that lets you into distracting sites only after you do some math or simple coding (JS only right now). Direct link to extension (the site just gives you more context): https://chromewebstore.google.com/detail/sphinx-earn-your-di... Philosophically it's a speed bump rather than a hard gate, because you'll eventually tear a gate down but you'll leave a speed bump. I've always eventually removed site blockers, or just had them become a nuisance that I reflexively dismiss before getting to distracting sites. Site blockers don't really reduce the "start navigating to a distracting site" muscle memory, and they eventually just become annoying. Dopamine is a hell of a drug. At the same time, I've been getting frustrated that my intermediate/advanced math skills have atrophied, and becoming more senior in my career (plus AI...) has caused my coding skills to atrophy even further. Realistically I'm not going to force myself to do math or coding exercises aft

Adjust neural network weights to fit data curves in this browser-based game.
Gooblebrai

Guess songs from short audio clips in this daily music guessing game.
Songless — 浏览器音乐猜歌游戏,听歌曲开头片段猜歌名或歌手,支持每日挑战、无限模式和主题歌单,无需安装即可游玩

Multiplayer drawing guessing game you can play instantly in your browser with friends.
DoodleGuesser — 免费在线画图猜词派对游戏,创建房间分享链接与朋友即时畅玩,实时画图猜词,自动计分轮换,无需下载注册

Match anime colors from memory by adjusting HSB sliders in this guessing game.
ToonTone — 在线动漫猜颜色小游戏

Play the Riddle School escape puzzle game series in your browser.
Riddle School — Riddle School 是一款以校园为背景的解谜冒险游戏,采用简单直观的点击操作方式,适合各类玩家上手。游戏通过一系列环环相扣的谜题,引导玩家不断思考不同道具和场景之间的关系。解谜过程清晰,让人能够专注于推理本身。

Unscramble word tiles to solve puzzles in this word game.
@JRABARA1 · X
Mid-Century Teak Scramble download freighter app, dm your wallet serves as feedback :)

Daily hints and answers for the NYT Connections puzzle game, with complete archives.
Connections Hint — 收集了《纽约时报》Connections 游戏从上线至今每一期的答案和解谜提示,每日更新。

Draw the same secret prompt as your friends, then let an AI roast your drawings.
u/Mental_Training4132 · Reddit
Doodle Judge — built a game where an AI roasts your drawings, solo project Everyone in the room draws the same secret prompt under a timer. An AI (Claude Haiku) judges every drawing on a different criteria each round. The AI might roast you if you're not the best doodler. Built it solo. React/Tailwind frontend, FastAPI backend, deployed on Railway. Play with friends via a room code, or try it solo first to see how it works. No sign-up beyond picking a name. Would love any feedback or im

Detect whether text was written by AI tools like ChatGPT, Claude, or DeepSeek.
AI Detector — 检查你的文本是否 AI 生成