Automate Claude Code tool execution with lifecycle hooks and regex matchers.
npx skills add https://github.com/reggiechan74/claude-plugins --skill hooks
Please help me install this Agent Skill. Skill: hooks Source: https://github.com/reggiechan74/claude-plugins/tree/main/plugins/claude-code-metaskill/skills/hooks Command: npx skills add https://github.com/reggiechan74/claude-plugins --skill hooks
Repetitive tasks like code formatting, validation, or logging often require manual intervention or external scripting. This Skill enables automated execution of scripts at specific lifecycle events, streamlining your development workflow and reducing manual effort.
PreToolUse, PostToolUse, UserPromptSubmit, SessionStart, and more, for comprehensive workflow control.PostToolUse hook to automatically run prettier on any .ts file after Claude edits it, ensuring consistent code formatting across your project without any manual steps.Show me how to create a hook that runs a script before any Bash command is executed.
High-intent search queries and answers about installing and using this skill.
Event-driven hooks let you trigger scripts automatically at lifecycle events like PostToolUse. Configure a PostToolUse hook to run prettier or similar formatters on edited files, ensuring consistent formatting without manual steps.
Yes. Hooks support decision control through regex-based matchers and script output. Use PreToolUse hooks to validate prompts, enforce policies, or deny execution based on custom logic before Claude runs any tool.
Hooks support PreToolUse, PostToolUse, UserPromptSubmit, Notification, SessionStart, SessionEnd, and PreCompact events. This covers comprehensive workflow control from session initialization through tool execution and state management.
Hooks persist environment variables via CLAUDE_ENV_FILE, allowing you to store and retrieve state between sessions. SessionStart and SessionEnd hooks can initialize or save context for reliable downstream handling.
Yes. Hooks support parallel execution and per-command timeouts, with standardized exit codes for reliable downstream handling. This enables complex automation workflows without blocking or hanging operations.
Hooks use configurable inputs and outputs with regex-based matchers, making them accessible without deep scripting knowledge. You write standard scripts and configure when they trigger; the hook system handles orchestration.
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