Verified65% confidenceFactExact time
Tool Use / Function Calling is a core mechanism in AI agent architecture, through which the model issues structured instructions to external systems via tool calling interfaces.
3
Sources
65%
Confidence
Long-term
Relevance
9/12/2026
First Seen
Sources
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Related Claims
VerifiedSkills本质上是结构化的系统提示词（System Prompt）集合，通过标准化接口注入到AI代理的上下文中79% similarVerifiedFunction Calling (Tool Use) is a standardized mechanism for large models to invoke external tools, where developers pre-declare tool names, descriptions, and parameter schemas, and the model autonomously determines when to make a call.79% similarUnverified在LangChain、AutoGen、Semantic Kernel等主流Agent框架中，Skill或Tool被定义为封装特定功能的可调用单元，包含输入输出规范、功能描述和执行逻辑三要素78% similarVerifiedThe underlying mechanism of Tool Use is that developers pre-define the name, description, and parameter structure (Schema) of tools, and the model determines during inference when and which tool to call and outputs structured invocation instructions.78% similarUnverifiedThe skill/tool concept in agent engineering originates from agent architectures represented by frameworks such as LangChain and AutoGPT, where models invoke external capabilities on demand via function calling or the ReAct mechanism.77% similar
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