PreToolUse
PulseAugur coverage of PreToolUse — every cluster mentioning PreToolUse across labs, papers, and developer communities, ranked by signal.
3 day(s) with sentiment data
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Developer creates Claude Hookbook for automated Claude Code tasks
A developer has created "Claude Hookbook," a library of pre-written hooks designed to automate common tasks and add guardrails to Anthropic's Claude Code. The tool addresses the setup friction of manually configuring ho…
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Claude Code enhances AI agent security with multi-layer permissions
Claude Code offers a robust permission system for AI agents, moving beyond simple yes/no prompts. It utilizes a three-layer architecture involving interactive approvals, static deny/allow lists in settings.json, and dyn…
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Claude Code hooks fail silently due to unobservable errors
This article details several ways Claude Code hooks can fail without producing errors, leading to silent malfunctions. Issues include event types that ignore matchers, 'if' conditions only evaluating on tool events, dep…
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Developer shares method to measure Claude Code hook latency
A developer has detailed a method for measuring the latency of custom scripts, known as "hooks," integrated into Claude Code. These hooks, used for tasks like automatic git commits or project categorization, can signifi…
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Claude Code hook bug halts tool calls after first denial
A user encountered an issue with Claude Code where tool-use hooks stopped functioning after the first denial. The user attempted to reduce token usage by redirecting file reads to a local LLM summarization tool via a Pr…
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Developer shares Claude Code usage tips and fixes for common mistakes
A developer shares their experiences and lessons learned from using Claude Code as their primary coding assistant for over a year. They detail six common mistakes, including repeating instructions instead of using CLAUD…
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Claude Code hooks: troubleshooting guide for custom script execution
This guide explains how to troubleshoot issues with Claude Code hooks, which are custom scripts designed to automate actions or enforce policies within the Claude Code environment. It details steps to verify if a hook i…
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Claude Code v2.1.211 fixes silent override of Bash execution guardrails
Claude Code version v2.1.211 has fixed a critical bug where its auto mode would silently override user-configured PreToolUse hooks designed to prompt before executing unsandboxed Bash commands. Previously, if a hook ret…
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Claude Code hooks performance measured with custom Bash wrapper
A developer has created a Bash script to measure the execution time of hooks within the Claude Code environment. This script, `hook-latency-wrap.sh`, acts as a wrapper around existing hook commands, recording their elap…
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Claude Code uses PreToolUse guardrails to prevent risky commands
The author has developed a system for Claude Code to prevent potentially harmful commands from being executed. This system, called PreToolUse, acts as a guardrail that intercepts commands before they run. It uses a deny…
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Developer cuts Anthropic Claude Code costs with custom bash hooks
A developer significantly reduced their AI costs by implementing custom hooks for Anthropic's Claude Code. By adding a PostToolUse bash hook, they prevented Claude Code from entering costly retry loops after migration f…
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Claude Code adds safety guardrails for destructive Git commands
Claude Code has introduced a new safety feature that automatically blocks destructive Git commands, such as `git reset --hard` and `git checkout -- .`, when they are not explicitly requested by the user. This built-in g…
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Anthropic Claude Code hooks automate workflows and enhance safety
Anthropic's Claude Code offers developers powerful hooks to automate workflows and enhance safety. The `PreToolUse` hook acts as a guard against destructive commands like `rm -rf` or `git push --force`, preventing unint…