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Nyx
Your own team of AI security engineers, on demand.
AI agents fail in ways traditional software doesn't. Nyx is your own team of AI security engineers, on demand, that helps you find all the ways in which your AI agents fail. Point it at any AI agent, or multi-agent system, and it launches 1,000+ attack strategies that adapt to your system in real time - pure blackbox, no integration needed. Built by ex-Meta and Monzo engineers.
Hey Product Hunt 👋
We built this because we saw that Al agents present different failure modes from traditional software. Agents are non-deterministic, the same input can pass one run and fail the next. Vulnerabilities surface in those gaps, and attackers exploit these edge cases. So fixing one doesn't mean you're protected from the next.
The old alternatives don't scale either. Manual adversarial testing is six figures per engagement and it's a frozen snapshot the moment it lands. Static evals catch what they've already seen.
So we built Nyx. An autonomous attacker that iterates against your agent the way a real adversary would (adapting, retrying, escalating across multiple turns) to find out all the ways in which your agent can fail. Our offensive harness pushes your system to its breaking point across security, logic, and alignment also functions in pure blackbox - no integration is needed.
The outcome we actually care about: teams getting to ship faster. Confident the agents you've already deployed are hardened against the threats that matter. Confident you can add tools and expand autonomy without quietly introducing new attack surfaces every release.
Built by a team of ex-Meta and Monzo engineers. This is early work and we would love nothing more than feedback from the community as we iterate on
About Nyx on Product Hunt
“Your own team of AI security engineers, on demand.”
Nyx was submitted on Product Hunt and earned 17 upvotes and 10 comments, placing #27 on the daily leaderboard. AI agents fail in ways traditional software doesn't. Nyx is your own team of AI security engineers, on demand, that helps you find all the ways in which your AI agents fail. Point it at any AI agent, or multi-agent system, and it launches 1,000+ attack strategies that adapt to your system in real time - pure blackbox, no integration needed. Built by ex-Meta and Monzo engineers.
On the analytics side, Nyx competes within Developer Tools, Artificial Intelligence and Security — topics that collectively have 981.6k followers on Product Hunt. The dashboard above tracks how Nyx performed against the three products that launched closest to it on the same day.
Who hunted Nyx?
Nyx was hunted by Zach. 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.
For a complete overview of Nyx including community comment highlights and product details, visit the product overview.
Zach