<?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>Function Calling on Hex4C59's Blog</title><link>http://hex4c59.cc/tags/function-calling/</link><description>Recent content in Function Calling on Hex4C59's Blog</description><generator>Hugo -- 0.150.0</generator><language>zh-cn</language><lastBuildDate>Mon, 23 Mar 2026 18:35:35 +0800</lastBuildDate><atom:link href="http://hex4c59.cc/tags/function-calling/index.xml" rel="self" type="application/rss+xml"/><item><title>Tool Use：为什么它是 Agent 的核心能力</title><link>http://hex4c59.cc/agent/tool-use-core-of-agent/</link><pubDate>Sun, 22 Mar 2026 18:00:00 +0800</pubDate><guid>http://hex4c59.cc/agent/tool-use-core-of-agent/</guid><description>从模型的封闭性出发，解释 Tool Use 为什么是 Agent 与外部世界连接的关键接口，以及工程上如何把工具系统设计到真正可用。</description></item></channel></rss>