Show HN: Agent Firewall – Go proxy to kill LLM death spirals

2 pointsby wuweiaxin8 hours ago2 comments

veloryn8 hours ago
This kind of failure mode is going to become more common as people start wiring multiple agents together. Infinite loops, runaway API costs, agents triggering each other recursively etc. Most frameworks focus on capability but very little on runtime control. Curious to see if people start building proper guardrails or 'governance layers' around agents the same way we do with traditional distributed systems.
- wuweiaxin7 hours ago
  Exactly. We're basically living through the "distributed systems reliability" moment for agents. Traditional infra has circuit breakers, rate limiters, health checks — agents have nothing.
  That's what I'm building: treat agent-to-LLM calls like microservice calls. Detect loops, enforce budgets, fail-open if the firewall itself crashes. Same patterns, new domain.
  The interesting part is loop detection needs to be semantic, not just frequency-based. Two agents can politely argue in circles without ever triggering a rate limit.
wuweiaxin5 hours ago
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