DadgogoAI Dictionary

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tool use

noun \ˈtül ˈyüs\
TopicAgents & Tools Senses1
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Definition of tool use

  1. : a model's ability to call external tools, such as a search engine, calculator, code runner, or app, and use the results in its answer

    • With tool use, the model checks today's exchange rate instead of guessing.
    • Tool use is what turns a chatbot into an agent.

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Related terms

function calling an API feature in which a model, instead of replying in plain text, outputs a structured… MCP Model Context Protocol: an open standard for connecting AI applications to outside tools and… AI agent an AI system that can pursue a goal over many steps on its own, deciding what to do next… API application programming interface: a defined way for one program to send requests to another…

Cite this entry

"Tool use." AI Dictionary, Dadgogo, https://dadgogo.com/dictionary/tool-use/. Accessed 4 Oct. 2026.

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