<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/"><channel><title>Hook on xun's Blog</title><link>https://xungirl.github.io/tags/hook/</link><description>Recent content in Hook on xun's Blog</description><generator>Hugo -- 0.168.0</generator><language>en</language><lastBuildDate>Fri, 26 Jun 2026 00:00:00 +0000</lastBuildDate><atom:link href="https://xungirl.github.io/tags/hook/index.xml" rel="self" type="application/rss+xml"/><item><title>2026-06-26 手搓 Agent：权限护栏与 Hook 系统学习笔记</title><link>https://xungirl.github.io/posts/2026-06-26-agent-permission-hooks/</link><pubDate>Fri, 26 Jun 2026 00:00:00 +0000</pubDate><guid>https://xungirl.github.io/posts/2026-06-26-agent-permission-hooks/</guid><description>手搓 coding agent 课程的第三、四节：怎么在工具执行前加三道权限闸门，怎么把这些检查抽象成 Hook 事件系统；附一个亲手绕过黑名单的实验，理解为什么字符串匹配是假安全。</description></item></channel></rss>