Partially Verified75% confidenceFactExact time
Tool Use (also known as Function Calling) is a core capability of modern large language models.
5
Sources
75%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026
Sources
Complete Guide to MCP Protocol in Claude Code: Configuration, Management, and Context Optimization
bilibilibili_brook6/7/2026
Related Claims
UnverifiedFunction Calling（Tool Use）是大模型调用外部工具的标准化机制，开发者预先声明工具名称、描述和参数Schema，模型自主判断何时调用85% similarUnverifiedSkill功能必须依赖支持Function Call的大模型才能使用76% similarUnverified工具调用（Function Calling / Tool Use）能力使LLM得以输出结构化的意图指令，由外部执行层捕获并实际操作系统75% similarUnverified规划能力依托大语言模型的Chain-of-Thought（思维链）推理，工具调用通过Function Calling或插件机制实现，编排层扮演工作流引擎角色72% similarUnverified工具调用需要用LangGraph提供的ToolNode类来包装，普通大模型调用可直接用函数71% similar
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