hook-development — community hook-development, CosmicAtlasPacker, community, ide skills, Claude Code, Cursor, Windsurf

v1.0.0
GitHub

About this Skill

Ideal for Advanced AI Agents like Claude Code, requiring event-driven automation and validation for enhanced workflow integration. Flutter Desktop texture atlas editor for game development

CANTAGESTUDIO CANTAGESTUDIO
[0]
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Updated: 3/5/2026

Agent Capability Analysis

The hook-development skill by CANTAGESTUDIO is an open-source community AI agent skill for Claude Code and other IDE workflows, helping agents execute tasks with better context, repeatability, and domain-specific guidance.

Ideal Agent Persona

Ideal for Advanced AI Agents like Claude Code, requiring event-driven automation and validation for enhanced workflow integration.

Core Value

Empowers agents to execute context-aware validation using LLM-driven decision making and integrate external tools through bash commands, enhancing workflow automation with prompt-based and command hooks, leveraging events for seamless execution.

↓ Capabilities Granted for hook-development

Automating validation and policy enforcement using prompt-based hooks
Integrating external tools into workflows through command hooks
Enhancing decision-making processes with LLM-driven context-aware validation

! Prerequisites & Limits

  • Requires Claude Code events for hook execution
  • Dependent on LLM-driven decision making for prompt-based hooks
  • Limited to executing bash commands for deterministic checks
Labs Demo

Browser Sandbox Environment

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Experience this Agent in a zero-setup browser environment powered by WebContainers. No installation required.

Boot Container Sandbox

hook-development

Install hook-development, an AI agent skill for AI agent workflows and automation. Works with Claude Code, Cursor, and Windsurf with one-command setup.

SKILL.md
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Hook Development for Claude Code Plugins

Overview

Hooks are event-driven automation scripts that execute in response to Claude Code events. Use hooks to validate operations, enforce policies, add context, and integrate external tools into workflows.

Hook Types

Use LLM-driven decision making for context-aware validation.

Command Hooks

Execute bash commands for deterministic checks.

Hook Events

EventWhenUse For
PreToolUseBefore toolValidation, modification
PostToolUseAfter toolFeedback, logging
UserPromptSubmitUser inputContext, validation
StopAgent stoppingCompleteness check
SubagentStopSubagent doneTask validation
SessionStartSession beginsContext loading
SessionEndSession endsCleanup, logging
PreCompactBefore compactPreserve context
NotificationUser notifiedLogging, reactions

Environment Variables

  • $CLAUDE_PROJECT_DIR - Project root path
  • $CLAUDE_PLUGIN_ROOT - Plugin directory
  • $CLAUDE_ENV_FILE - SessionStart only: persist env vars here

Best Practices

  • Use prompt-based hooks for complex logic
  • Use ${CLAUDE_PLUGIN_ROOT} for portability
  • Validate all inputs in command hooks
  • Set appropriate timeouts

FAQ & Installation Steps

These questions and steps mirror the structured data on this page for better search understanding.

? Frequently Asked Questions

What is hook-development?

Ideal for Advanced AI Agents like Claude Code, requiring event-driven automation and validation for enhanced workflow integration. Flutter Desktop texture atlas editor for game development

How do I install hook-development?

Run the command: npx killer-skills add CANTAGESTUDIO/CosmicAtlasPacker. It works with Cursor, Windsurf, VS Code, Claude Code, and 19+ other IDEs.

What are the use cases for hook-development?

Key use cases include: Automating validation and policy enforcement using prompt-based hooks, Integrating external tools into workflows through command hooks, Enhancing decision-making processes with LLM-driven context-aware validation.

Which IDEs are compatible with hook-development?

This skill is compatible with Cursor, Windsurf, VS Code, Trae, Claude Code, OpenClaw, Aider, Codex, OpenCode, Goose, Cline, Roo Code, Kiro, Augment Code, Continue, GitHub Copilot, Sourcegraph Cody, and Amazon Q Developer. Use the Killer-Skills CLI for universal one-command installation.

Are there any limitations for hook-development?

Requires Claude Code events for hook execution. Dependent on LLM-driven decision making for prompt-based hooks. Limited to executing bash commands for deterministic checks.

↓ How To Install

  1. 1. Open your terminal

    Open the terminal or command line in your project directory.

  2. 2. Run the install command

    Run: npx killer-skills add CANTAGESTUDIO/CosmicAtlasPacker. The CLI will automatically detect your IDE or AI agent and configure the skill.

  3. 3. Start using the skill

    The skill is now active. Your AI agent can use hook-development immediately in the current project.

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