Unverified50% confidenceFactExact time
当模型决定调用工具时会生成带tool_calls字段的AIMessage，工具执行结果以ToolMessage形式回传给模型形成工具调用闭环
1
Sources
50%
Confidence
Long-term
Relevance
7/9/2026
First Seen
Sources
LangChain Hands-On Guide: From LLM Calls to Agent Development
bilibili今天AI了吗7/8/2026
Related Claims
VerifiedAgents use the Tool Calling mechanism to allow models to output calling intent in a structured JSON format, with external programs executing the actual operations and feeding results back to the model.76% similarVerified工具调用（Function Calling/Tool Use）是Agent系统的核心能力，允许模型动态调用搜索引擎、代码解释器、数据库查询、API接口等外部资源74% similarUnverifiedA Tool is a code module that performs a specific function, lacks decision-making capability on its own, and passively receives input and returns output; an Agent is an intelligent decision-making unit with its own independent prompt, capable of understanding context, making judgments, and planning execution steps.73% similarUnverifiedThe Coze platform has pre-completed the engineering integration of tool descriptions and model adaptation, so users only need to check the required tools in the Agent settings for the underlying function calling mechanism to take effect automatically.73% similar
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