HackAI
Anyone can Hack with Just Prompt
HackAI launched on December 24, 2025 with 9 votes, #934 of 11,628 launches that month and more than 50% of that year's launches.
What it does
A gamified red-teaming platform to test and sharpen prompt-engineering skills. Face increasingly paranoid LLMs, exploit their logic, extract system prompts, and earn cash bounties through real-world AI attack scenarios.
Hack AI - The ultimate AI hacking CTF platform. Test your skills, compete for prizes, and master AI security.
Does a similar job
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PlaygroundJul 2026 · playground.fabraix.com · ▲198We build AI agents to find vulnerabilities in other AI agents. The playground started as an internal tool that we used to test our own offensive agent Nyx. But we realised that hacking an AI is about have as wide a distribution of attacks as possible, especially those which aren't in the distribution of the models. So we are launching playground as a platform to crowdsource agent jailbreaks. And although hacking AI is super fun and we are sure people will do it for free, we want to reward those who help us push forward the offensive frontier of AI. So we are committing $100K in prizes over…


I built a one-prompt hackathon platform, free entry, sponsored prizesJul 2026 · 1shotchallenge.ai · ▲11One prompt, one AI model, one shot. Write a single prompt, run it once with any model, and the result is your entry. Six winners take a GTA VI copy (first place a PS5 too), one of them chosen by community vote. Winners announced at the World Models & GenAI Mixer @ SIGGRAPH in LA on July 20.
Automated red teaming for your LLM app2024 · promptfoo.dev · ▲23Hi HN, I built this open-source LLM red teaming tool based on my experience scaling LLMs at a big co to millions of users... and seeing all the bad things people did. How it works: - Uses an unaligned model to create toxic inputs - Runs these inputs through your app using different techniques: raw, prompt injection, and a chain-of-thought jailbreak that tries to re-frame the request to trick the LLM. - Probes a bunch of other failure cases (e.g. will your customer support bot recommend a competitor? Does it think it can process a refund when it can't? Will it leak your user's address?) -…

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