---
title: "07 pretooluse read hook"
description: "PreToolUse:Read hook additional context: <context_guidance> <tip> Read is the right default. Use offset/limit to scope large files. Only reach for capy_execute_file when the file is genuinely large (10k+ lines) AND you want a derived answer (count, stats, extracted pattern), not the content itself. If an Edit will follow, just Read — capy_execute_file beforehand is pure overhead. </tip> </context_"
type: skill
canonical_url: https://claudary.paisolsolutions.com/skills/07-pretooluse-read-hook
source: "Claudary"
difficulty: intermediate
author: "Claude Code Knowledge Pack"
date: 2026-07-10T10:58:42.779Z
license: CC-BY-4.0
attribution: "07 pretooluse read hook — Claudary (https://claudary.paisolsolutions.com/skills/07-pretooluse-read-hook)"
---

# 07 pretooluse read hook
PreToolUse:Read hook additional context: <context_guidance> <tip> Read is the right default. Use offset/limit to scope large files. Only reach for capy_execute_file when the file is genuinely large (10k+ lines) AND you want a derived answer (count, stats, extracted pattern), not the content itself. If an Edit will follow, just Read — capy_execute_file beforehand is pure overhead. </tip> </context_

## Overview

PreToolUse:Read hook additional context: <context_guidance>
  <tip>
    Read is the right default. Use offset/limit to scope large files.
    Only reach for capy_execute_file when the file is genuinely large (10k+ lines)
    AND you want a derived answer (count, stats, extracted pattern), not the content itself.
    If an Edit will follow, just Read — capy_execute_file beforehand is pure overhead.
  </tip>
</context_guidance>

---

Source: [Claudary](https://claudary.paisolsolutions.com/skills/07-pretooluse-read-hook) · https://claudary.paisolsolutions.com