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Claude Code Windows hook fails to block PowerShell commands

By PulseAugur Editorial · [1 sources] ·

A user has identified a limitation in Claude Code's command-blocking hooks on Windows, specifically when using PowerShell. The initial hook configuration only recognized Bash commands, failing to intercept commands executed through PowerShell. The user proposes a solution by updating the hook configuration to match both 'Bash|PowerShell' and explicitly setting the 'onFailure' parameter to 'block' to ensure that hook failures also prevent command execution. However, the underlying script still lacks the capability to parse and understand PowerShell syntax, leaving those commands unprotected. AI

IMPACT Highlights a specific configuration challenge for users of Claude Code on Windows, impacting its command-blocking capabilities.

RANK_REASON User-identified limitation and proposed fix for a specific software tool's functionality.

Read on dev.to — Claude Code tag →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

Claude Code Windows hook fails to block PowerShell commands

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Signal score
1 / 100
Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket
Tool
User-identified limitation and proposed fix for a specific software tool's functionality.
Source corroboration
Single-source cluster
Only one publisher covered this so far. Single-source stories can still rank when the publisher is high-authority, but they lack cross-source corroboration.
Topics
product, infra
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High
Clearly on-topic for AI-industry coverage.
Story freshness
1 days old
Coverage has settled into its steady-state source set.

Full methodology in our editorial standards.

COVERAGE [1]

  1. dev.to — Claude Code tag TIER_1 English(EN) · Martin Pisacreta ·

    Claude Code hooks on Windows: when a Bash matcher sees nothing

    <p>A reader spotted a Windows gap in my earlier article about blocking destructive shell commands in Claude Code. The hook matched <code>Bash</code>. On a machine where Claude uses its PowerShell tool, that hook can miss the command entirely.</p> <p><a href="https://dev.to/martin…

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