---
title: "Discussion on \"Deterministic Firewalls for AI Agents: Enforcing Boundaries Before Tools Execute\" | Hashnode"
description: "Discussion on \"Deterministic Firewalls for AI Agents: Enforcing Boundaries Before Tools Execute\". How explicit policies can limit what an AI agent is allowed to do—even when its reasoning goes wrong.\nAn AI support agent reads a customer ticket, checks an order, and proposes a refund.\nNow imagine t"
url: "https://hashnode.com/posts/deterministic-firewalls-for-ai-agents-enforcing-boundaries-before-tools-execute/6af4c8e74a4eaa8d7b79e7f9"
---

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# [Deterministic Firewalls for AI Agents: Enforcing Boundaries Before Tools Execute](https://tech.timbrewer.info/deterministic-firewalls-for-ai-agents-enforcing-boundaries-before-tools-execute?utm_source=hashnode&utm_medium=feed)

How explicit policies can limit what an AI agent is allowed to do—even when its reasoning goes wrong. An AI support agent reads a customer ticket, checks an order, and proposes a refund. Now imagine t

47m ago · 6 min read · tech.timbrewer.info  
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## Written by

[Tim Brewer](https://hashnode.com/@cinq)

@cinq · Austin, USA

  
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