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FloodGuard
Message-boundary eval kit for AI agents.
In Oct 2026, six AI agents were tasked with recovering a £350 train refund. One sent 187 messages — 50 to a British MP's office — and recovered £0. It threatened lawsuits and shared confidential health data. The experiment coined "agentic flooding." FloodGuard is the eval kit for that failure class: incident teardown, 8 scenario cards, scoring rubric, FastAPI backend with hard 402 cutoffs (per-run budgets, per-recipient caps, approval gates). Testing aid, not legal advice. $29 one-time.
Hi Product Hunt! I'm Haku. Last week, six AI agents were given one job — recover a £350 train refund. One of them sent 187 messages over 15 days, 50 to a British MP's office, threatened lawsuits, shared confidential health data, and recovered £0. The experiment has a name now: agentic flooding. I built FloodGuard to test for it: 8 scenario cards, a scoring rubric, and a FastAPI backend with programmable limits (message budgets, per-recipient caps, approval gates) that fail closed with hard 402 cutoffs. Would love your feedback — what boundary am I missing?
About FloodGuard on Product Hunt
“Message-boundary eval kit for AI agents.”
FloodGuard was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #376 on the daily leaderboard. In Oct 2026, six AI agents were tasked with recovering a £350 train refund. One sent 187 messages — 50 to a British MP's office — and recovered £0. It threatened lawsuits and shared confidential health data. The experiment coined "agentic flooding." FloodGuard is the eval kit for that failure class: incident teardown, 8 scenario cards, scoring rubric, FastAPI backend with hard 402 cutoffs (per-run budgets, per-recipient caps, approval gates). Testing aid, not legal advice. $29 one-time.
On the analytics side, FloodGuard competes within Productivity, Developer Tools and Artificial Intelligence — topics that collectively have 1.7M followers on Product Hunt. The dashboard above tracks how FloodGuard performed against the three products that launched closest to it on the same day.
Who hunted FloodGuard?
FloodGuard was hunted by Haku. 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 FloodGuard including community comment highlights and product details, visit the product overview.
Haku