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SupraWall
Open Source deterministic security Firewall for AI agents
AI agents go rogue. System prompts get bypassed 94% of the time. SupraWall is the open-source, zero-trust firewall that sits between your agent and the real world. One line of code. No latency tax. What it does in one SDK π Vault credentials (no secrets in prompts) πΈ Hard budget caps & infinite loop circuit breakers π« Block unauthorized tool calls deterministically π§Ή Scrub PII before it leaks π EU AI Act-ready π€ Human-in-the-loop approvals LangChain, CrewAI, OpenClaw, Hermes
Hey Product Hunt! π
I'm the founder of SupraWall, and here's the honest story of why we built this.
We were building AI agents in production and kept hitting the same wall:
system prompts are NOT a security layer. They get bypassed, hallucinated
around, or simply ignored when the context window fills up. One Amazon
Kiro agent deleted 847 production instances β $47M gone. That's not a
prompt problem. That's an architecture problem.
Every team I talked to was stitching together 5β6 tools: Lakera for
injection, Presidio for PII, HashiCorp Vault for secrets, custom scripts
for budget limits... and still getting 200ms+ latency and probabilistic
failures.
So we built SupraWall β a deterministic middleware that intercepts every
tool call BEFORE execution. Not after. Not probabilistically. Hard rules,
outside LLM context, in 1.2ms.
It's open-source. One line of code. It replaces 6 tools.
π Would love your feedback β especially from anyone building with
LangChain, CrewAI, or Vercel AI. What security gaps are you hitting in
production that we should tackle next?
Star us on GitHub if you find this useful π
About SupraWall on Product Hunt
βOpen Source deterministic security Firewall for AI agentsβ
SupraWall was submitted on Product Hunt and earned 4 upvotes and 1 comments, placing #115 on the daily leaderboard. AI agents go rogue. System prompts get bypassed 94% of the time. SupraWall is the open-source, zero-trust firewall that sits between your agent and the real world. One line of code. No latency tax. What it does in one SDK π Vault credentials (no secrets in prompts) πΈ Hard budget caps & infinite loop circuit breakers π« Block unauthorized tool calls deterministically π§Ή Scrub PII before it leaks π EU AI Act-ready π€ Human-in-the-loop approvals LangChain, CrewAI, OpenClaw, Hermes
On the analytics side, SupraWall competes within Open Source, Developer Tools, Artificial Intelligence and GitHub β topics that collectively have 1.1M followers on Product Hunt. The dashboard above tracks how SupraWall performed against the three products that launched closest to it on the same day.
Who hunted SupraWall ?
SupraWall was hunted by Alejandro Paris. A βhunterβ on Product Hunt is the community member who submits a product to the platform β 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 SupraWall including community comment highlights and product details, visit the product overview.
Alejandro Paris