Verified75% confidenceFactExact time
After the client receives the tool execution result, it needs to construct a message with the role set to tool, carrying the corresponding tool_call_id and execution result to send back to the model.
3
Sources
75%
Confidence
Long-term
Relevance
8/30/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedA provider-executed tool refers to a tool whose actual invocation is completed by the model service provider on the server side, rather than being executed in client-side code.76% similarUnverifiedIn the LangChain framework, Tool call results are appended to the message chain via ToolMessage objects.75% similarVerifiedThe tool-calling (Function Calling) mechanism allows the model to invoke external tools during reasoning, such as file read/write operations, terminal commands, and search APIs.74% similarVerifiedFunction calling (tool calling) refers to the ability of a large language model to proactively request the invocation of external functions or APIs during the generation of a response.73% similarUnverified当模型输出工具调用语法后会停止响应，Harness执行工具并将输出追加到对话历史末尾，然后向同一模型重新发起请求73% similar
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