Automate shell hook execution for Claude Code events.
npx skills add https://github.com/vinnie357/claude-skills --skill claude-hooks-vinnie357
Please help me install this Agent Skill. Skill: claude-hooks Source: https://github.com/vinnie357/claude-skills/tree/main/claude-code/skills/claude-hooks Command: npx skills add https://github.com/vinnie357/claude-skills --skill claude-hooks-vinnie357
This Skill enables users to automate actions in response to specific Claude Code events, such as tool calls or user prompts. It allows for custom validation, formatting, logging, and integration with external systems, streamlining workflows and enforcing project standards.
onToolCall hooks to execute scripts before or after tools like Write, Edit, or Bash, or onUserPromptSubmit for user interactions.onToolCall hook for the Write tool that automatically runs prettier --write {{file_path}} and eslint --fix {{file_path}} after any file modification.Create a hook that automatically runs 'prettier --write' on a file after Claude Code uses the 'Write' tool.
High-intent search queries and answers about installing and using this skill.
Event-driven hooks let you execute shell scripts in response to Claude Code tool calls. Configure an `onToolCall` hook for the `Write` tool to run `prettier --write` and `eslint --fix` automatically after file modifications, enforcing project style guides without manual intervention.
Hooks are automated shell scripts triggered by Claude Code events—tool calls like Write or Edit, lifecycle events like onInstall, or user prompts. They execute before or after an action using contextual variables like {{file_path}} and {{cwd}}, enabling validation, formatting, logging, and external system integration.
Yes. Hooks connect Claude Code to external systems by executing shell commands in response to events. Use `onToolCall` or `onUserPromptSubmit` hooks to trigger notifications, log events to external services, or integrate with CI/CD pipelines through custom shell scripts.
Define hooks in a standalone `hooks.json` file, inline within `plugin.json`, or in plugin manifests. Specify the event type (`onToolCall`, `onUserPromptSubmit`, `onInstall`), target tool or action, and shell command with contextual variables like {{cwd}}, {{timestamp}}, and {{prompt}}.
Use `onToolCall` hooks to validate git commands, file paths, or code patterns before execution. Run custom validation scripts that check against project rules, then fail or modify the action based on the script's exit code, ensuring compliance with security and coding standards.
Hooks support Tool Call Hooks for Write, Read, Edit, Bash, Glob, and other Claude Code tools, plus Lifecycle Hooks and User Prompt Hooks. File-scoped templating and contextual variables enable integration with any shell-compatible tool across different file types and workflows.
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