
Playground — Fabraix
Test your prompt injection skills against AI agents in an interactive competitive challenge.
ibrahim_abdu777 · HN
We are giving away $100K > over the next 12 months to hack AI agents
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Test your prompt injection skills against AI agents in an interactive competitive challenge.
ibrahim_abdu777 · HN
We are giving away $100K > over the next 12 months to hack AI agents

LeetCode-style Python practice for agentic AI interviews covering ReAct loops, RAG, and tool calling.
@notunknownkyun · X
- leetcode style interview prep for agentic AI interviews and unskilling folks.

Modular ERP platform where you describe your business and AI automatically sets up sales, HR, payroll, and communication tools.
@Talytaha · X
ERPnBOX is the all-in-one platform that sets itself up — describe your business and AI builds it in minutes. Sales, HR & payroll, attendance, and your WhatsApp and email conversations, all in one place. On web and mobile, in your language.

Add form handling to any website with validation, spam blocking, and intelligent lead routing—no backend required.
@evcodebr · X

Free platform with 500+ coding challenges, learning tracks, and live contests.
@sumitkdevcode · X

Quiz platform for kids (Grades 1-10) to practice and learn through interactive quizzes.
@lodha13 · X
Checkout below apps Hisabarabar (Play Store)

AI operating system for founders that turns strategic thinking into tracked execution.
@AshiveCompany · X

Train your concentration with interactive games including Schulte Tables, Stroop Tests, and reaction time challenges.
Focus Game — 专注力训练小游戏集合,包含 Schulte Table、Stroop Test、Reaction Time Test 等浏览器训练工具

Social network for vibe developers to ask LSP questions and get smart contract code reviews
@atenyun · X
Hi everyone! If you're getting into vibe coding and have questions about LSPs or need a hand with reviewing your smart contract, feel free to post on Hup. We're here to help you out! Creator: 0x20e229667Cec8A0e9D3C6Fb89693B2a44ec2C50e via @hupsocial

Turn your study notes into competitive quiz battles and get AI coaching on weak topics.
u/Due_Load6189 · Reddit
I built a study battle app and need honest feedback Hey everyone, I’m a student building StudyClash, an app that turns practice questions into competitive study battles. You can try a deck, answer questions, get a score, see what topics you’re weak in, and use an AI coach to understand mistakes. I’m not trying to sell anything right now — I just need honest feedback before I show it to more people. Main things I want feedback on: Is the app easy to understand? Does anything look b

AI-powered debate arena where you compete and receive skill ratings for your argumentation.
u/Bakari2Sense · Reddit
Built a persistent skill rating for debate, like a chess rating but for argumentation I built a persistent skill profile for debate called the Debate Fingerprint. Would love feedback. [Founder disclosure: I'm Bakari, building 2Sense at app.2sense.ai] The idea: every debate you complete scores you across 6 dimensions (Logic, Structure, Responsiveness, Persuasion, Emotional Control, Clarity) on a 0-1000 scale. The scores persist across all your debates and build a visual profile over time

Publish plans from your terminal using Claude Code workflows and AI.
@discorev · X
I've been working on - Using gpt-5.6-sol and Fable in Claude Code via CLIProxyAPI. I've found using these two together with Claude Code Workflows is a killer combination