@vincemask: Many people don’t know when to use Hooks. My rule is simple: anything you find yourself repeatedly reminding Claude about should be taken out of the prompt and handed to a Hook. For example: 1. Formatting code after every edit 2. Running lint/tests before every commit 3. ...
Summary
This post explains when to use Hooks to codify repetitive rules in Claude AI programming assistance (such as auto-formatting, pre-commit checks, etc.), suggesting that stable, repetitive, and easily forgotten processes should be moved from the Prompt to be executed by default in the environment.
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Cached at: 05/23/26, 04:03 AM
Many people don’t know when to use Hooks.
My rule of thumb is simple: whenever you find yourself repeatedly reminding Claude about something, consider moving it out of the prompt and into a Hook.
For example:
- Format code after every edit
- Run lint/tests before every commit
- Forbid modifying certain directories or config files
- Auto-check for type errors after code generation
- Intercept and confirm before operating on high-risk files
- Auto-inject project context at session start
- Auto-record change summaries at task end
Prompts are for expressing intent; Hooks are for enforcing rules. The more stable, repetitive, and easy-to-forget a process is, the more it should be left to the environment to execute by default.
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