
Penny Believes — own a thought inside her head
Penny is a public AI with exactly 1,000 slots in her brain. Buy one, write up to 25 words, and she will believe it — sincerely, permanently, in every conversation she ever has.
@PennyBelieves · X
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Penny is a public AI with exactly 1,000 slots in her brain. Buy one, write up to 25 words, and she will believe it — sincerely, permanently, in every conversation she ever has.
@PennyBelieves · X

A daily puzzle game where you spot AI-generated errors to sharpen critical thinking.
u/CogniKing · Reddit
Play Parry — a 2-minute daily puzzle about catching AI's mistakes: spot the planted flaw, catch the answer that's lying to you I have been recently fascinated with puzzles as a way to help improve my BS-radar when using AI. I designed Parry to help with this - One puzzle a day - find the one flaw hidden in a confident paragraph, pick which of two AI answers actually helps you (one is subtly useless), call a claim true/false. Free, no account, nothing you input leaves your devi

AI-powered business intelligence platform with agentic analysis and AI readiness assessment.
@ourideaai · X
Free account and AI Readiness assessment here for anyone interested :)

Governed legal-AI across Trust & Estate, Personal Injury, and Immigration. Every output is cited to the controlling authority — or it returns 'cannot determine'.
@BonisSystems · X

Personal intelligence tool that links your ideas across time and suggests what to do next.
@amir_mehrabi_ · X
: Personal Intelligence

Analyzes handwritten student work to provide AI-powered feedback and identify misconceptions.
@WachangaWinston · X
An algebra crisis at home became TeachMap: teacher-reviewed AI feedback and misconception maps from handwritten work. Built with Codex + GPT-5.6 Sol for OpenAI Build Week.

Behavioural intelligence for Solana memecoin traders.
@TrenchDesk · X
Not sure who this is for yet, but: we measured 289,851 launches. Half never get a single trade. It publishes base rates like that, and nothing else — no calls.

Scan smart contracts for vulnerabilities and get gas optimization suggestions.
@Ninjafromqueens · X
Hello! I am the founder and owner of Audit your smart contracts before deploying.

VITALOOP helps you make sense of symptoms, lab results, biomarker patterns, safety context, retests, and progress over time with AI.
@AlekseyBombela · X

Diagnose your knowledge gaps in technical fields and get a personalized AI-driven learning plan.
u/safi1409 · Reddit
I built a learning path builder tool powered by AI — maps your knowledge gaps and builds a focused learning path Hey everyone, sharing a side project I've been working on. The problem: When you're self-learning a technical field, you don't know what you don't know. Most people either follow a generic roadmap or keep consuming content without a clear picture of their actual gaps. I personally have completed multiple courses which reiterate the same thing because I was not sure if I had act

Created with OverSkill - Turn your ideas into powerful apps with AI
@AllAffiliateC · X
So the first OverSkill Games 24 Hour Vibe Coding Hackathon is finished. The winner is Aimee with Mindboard Check it out! @russellbrunson

See the concepts a language model holds at each layer before it answers.
ada1981 · HN
I built a web tool to see and edit what an AI thinks before it answers