Topic
HOOKS
All blog posts, tools, and guides about Hooks from Developers Digest.
15 resources - 5 posts, 10 guides
Blog Posts
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Do Your Agent Hooks Fail Open? Claude Code vs Codex vs Cursor vs Gemini CLI
A guard hook that crashes, times out or points at a missing script lets the tool call through by default in Claude Code. v2.1.295 adds onFailure: block. Here is what each coding agent does when your policy hook breaks, with real test runs.
13 min read
Claude Code Mods: What They Are and How to Write One
Claude Code mods are plugins whose JavaScript handlers run inside Claude Code. What they do that hooks and skills cannot, a first mod, and the trust question.
8 min read
An Agent SDK Triage Bot for Commercial Insurance Submissions
Commercial underwriters drown in PDF submissions. Here is how to build a Claude Agent SDK triage bot with skills, hooks, and a clean audit trail.
12 min read
Hookyard Shows Why Claude Code Hooks Need a Package Manager
Claude Code hooks still install by hand-editing JSON. The Hookyard prototype shows what a hook package manager should look like, from manifest to safe install.
9 min read
Codex CLI Hooks for PLC and IoT Firmware Review on the Factory Floor
Manufacturing teams ship ladder logic and ESP32 firmware without code review. Here is a Codex CLI setup with hooks that catches the dangerous patterns first.
11 min read
Guides
All guides →Environment Variable Persistence - Claude Code
SessionStart hooks can persist env vars across Bash tool calls.
GuideHooks System - Claude Code
Event-driven automation with 20+ lifecycle events.
GuideSubagentStart and SubagentStop Hooks - Claude Code
Fire when subagents spawn and finish.
GuideTaskCreated and TaskCompleted Hooks - Claude Code
Fire on task lifecycle events.
GuideConfigChange and InstructionsLoaded Hooks - Claude Code
Fire when settings or CLAUDE.md files change during a session.
GuidePreCompact and PostCompact Hooks - Claude Code
Fire before and after context compaction.
GuideCommand Hooks - Claude Code
Run shell scripts on events with environment variable passing.
GuidePrompt-Based Hooks - Claude Code
Use Claude itself to handle hook logic instead of shell scripts.
GuideAgent-Based Hooks - Claude Code
Spawn subagents to handle complex hook logic.
GuideAsync Hooks - Claude Code
Run hooks in the background without blocking the session.
GuideKeep exploring
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