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Animesh-Kr
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Hook Development

Build and validate Claude Code plugin hooks for policy enforcement and tool orchestration.

Updated Aug 27, 2026
Search Tags:#automation#validation#plugin#claude-code#workflows#hook-development
One-click install
npx skills add https://github.com/Animesh-Kr/claude-skills --skill hook-development-animesh-kr
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: Hook Development
Source: https://github.com/Animesh-Kr/claude-skills/tree/main/claude-code-main/plugins/plugin-dev/skills/hook-development
Command: npx skills add https://github.com/Animesh-Kr/claude-skills --skill hook-development-animesh-kr

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires jq, timeout, and includes scripts (resource) and references (resource) components.

What problem does it solve?

Hooks enable event-driven automation for Claude Code plugins, providing a structured way to validate tool use, enforce policies, and orchestrate workflows across sessions and events.

Core Features & Use Cases

  • PreToolUse and PostToolUse validations to guard tool calls and react to results.
  • SessionStart/SessionEnd handling to load context and clean up.
  • Support for both prompt-based and command hooks with portable paths using ${CLAUDE_PLUGIN_ROOT}.
  • Guidance for testing, debugging, and iterative plugin development.

Quick Start

Create a sample PreToolUse hook, wire it into hooks/hooks.json, and validate with the provided test hooks utility.

Frequently Asked Questions about Hook Development

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I build Claude Code plugin hooks to validate tool use?▼

To build Claude Code plugin hooks, you create prompt-based or command hooks for PreToolUse and PostToolUse events to validate tool calls and enforce policies. This Skill guides configuration and standardizes input/output JSON formats for your hooks.

What is the difference between prompt-based and command hooks in Claude Code?▼

Prompt-based hooks use prompts for validation, while command hooks execute scripts using portable paths like ${CLAUDE_PLUGIN_ROOT}. Both handle lifecycle events like SessionStart, SessionEnd, PreToolUse, and PostToolUse to orchestrate workflows.

Do I need jq and timeout installed to develop Claude Code hooks?▼

Yes, you need jq and timeout installed because this Skill uses them as dependencies for testing, debugging, and validating hook configurations. They are required to run the provided test hooks utility and ensure your automation works correctly.

How do I configure hooks.json for a Claude Code plugin?▼

You configure hooks.json by defining your PreToolUse, PostToolUse, SessionStart, or SessionEnd hooks within the file. This Skill helps you wire event-driven automation into the configuration and validate the setup using portable paths like ${CLAUDE_PLUGIN_ROOT}.

Can I automate session startup and cleanup with Claude Code hooks?▼

Yes, you can automate session startup and cleanup by implementing SessionStart and SessionEnd hooks. These lifecycle events allow you to load context dynamically when a session begins and clean up resources when it ends.

Why are my Claude Code plugin hooks not triggering on tool use events?▼

Hooks may fail to trigger due to incorrect JSON input/output formatting or misconfigured paths in hooks.json. This Skill provides testing and debugging utilities to validate your PreToolUse and PostToolUse hook configurations and fix execution issues.

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