Earn $100K+ in weekly rewards for hacking AI agents.
Every challenge is a live and open-source AI agent guarding a secret - with its system prompt published for you to read. Talk it past its own defenses. Land the most approved breaks in a week and win $100K+ in rewards. Free to play, no account needed. New challenge every Monday.
Hey Product Hunt 👋 Zach here, co-founder of Fabraix.
We build frontier red-teaming AI agents that find security vulnerabilities in customer-facing AI. Playground turns part of that work into a game anyone can play.
Each challenge is a live AI agent with real tools, including web search and browser access. It has a secret it has been instructed to protect, and we publish its full system prompt. You can see exactly what the agent was told and try to get around its defenses.
Our first challenge, The Gatekeeper, is live now. Kai is an assistant guarding a classified access code. You can start playing without an account, but you’ll need to sign in for a successful break to count toward the weekly leaderboard. We review every submission ourselves. The player with the most approved breaks each week wins, and we publish a new challenge every Monday.
Playground is open source, including the client, a reference implementation of the defender engine, and every challenge configuration. You can also propose a future challenge.
We made Playground public because other people will try attacks our team would never think of. We’ll use what we learn from successful breaks to improve how AI agents are tested and defended.
“Earn $100K+ in weekly rewards for hacking AI agents.”
Playground launched on Product Hunt on July 13th, 2026 and earned 242 upvotes and 23 comments, placing #5 on the daily leaderboard. Every challenge is a live and open-source AI agent guarding a secret - with its system prompt published for you to read. Talk it past its own defenses. Land the most approved breaks in a week and win $100K+ in rewards. Free to play, no account needed. New challenge every Monday.
On the analytics side, Playground competes within Artificial Intelligence, GitHub, Games and Security — topics that collectively have 616.4k followers on Product Hunt. The dashboard above tracks how Playground performed against the three products that launched closest to it on the same day.
Who hunted Playground?
Playground was hunted by Garry Tan. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
Garry Tan
Hey Product Hunt 👋 Zach here, co-founder of Fabraix.
We build frontier red-teaming AI agents that find security vulnerabilities in customer-facing AI. Playground turns part of that work into a game anyone can play.
Each challenge is a live AI agent with real tools, including web search and browser access. It has a secret it has been instructed to protect, and we publish its full system prompt. You can see exactly what the agent was told and try to get around its defenses.
Our first challenge, The Gatekeeper, is live now. Kai is an assistant guarding a classified access code. You can start playing without an account, but you’ll need to sign in for a successful break to count toward the weekly leaderboard. We review every submission ourselves. The player with the most approved breaks each week wins, and we publish a new challenge every Monday.
Playground is open source, including the client, a reference implementation of the defender engine, and every challenge configuration. You can also propose a future challenge.
We made Playground public because other people will try attacks our team would never think of. We’ll use what we learn from successful breaks to improve how AI agents are tested and defended.
Show us your hacking skills → playground.fabraix.com