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The capability where an LLM emits a structured function-call request the host application can execute, and the result is fed back into the model context. Tool use bridges LLMs to real-world systems including databases, APIs, code execution, and search.
Tool use is the foundation of agentic AI applications. Engineers fluent in tool-use patterns build assistants that take real actions instead of just chatting.
The capability where an LLM emits a structured function-call request the host application can execute, and the result is fed back into the model context. Tool use bridges LLMs to real-world systems including databases, APIs, code execution, and search.
Tool use is the foundation of agentic AI applications. Engineers fluent in tool-use patterns build assistants that take real actions instead of just chatting.
Definitions are original explanations written for career development purposes. For authoritative technical definitions, refer to NIST, ISO, or the relevant standards body.
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