---
title: "Discussion on \"Why Claude Code PreToolUse Hooks Can Still Be Bypassed\" | Hashnode"
description: "Discussion on \"Why Claude Code PreToolUse Hooks Can Still Be Bypassed\". Claude Code's PreToolUse hooks give you a programmatic interception point before any tool executes — write a hook that exits non-zero and the tool call is blocked. That's the theory. In practice, a re"
url: "https://hashnode.com/posts/why-claude-code-pretooluse-hooks-can-still-be-bypassed/69eb608de5676214e99b45ef"
---

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# [Why Claude Code PreToolUse Hooks Can Still Be Bypassed](https://codeongrass.hashnode.dev/why-claude-code-pretooluse-hooks-can-still-be-bypassed?utm_source=hashnode&utm_medium=feed)

Claude Code's PreToolUse hooks give you a programmatic interception point before any tool executes — write a hook that exits non-zero and the tool call is blocked. That's the theory. In practice, a re

Apr 24 · 14 min read · codeongrass.hashnode.dev  
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## Written by

[Sahil Kathpal](https://hashnode.com/@sahil-kat)

@sahil-kat · Mumbai, India

  
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Software Engineer building Grass — mobile access for Claude Code and AI coding agents

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