# Tool use in AI: what it is and how it works · Zorraquino
> Tool use allows a model to request external operations, such as looking up information or running an authorised function.
URL: https://www.zorraquino.com/en/dictionary/ai-tool-use

# Tool use in AI

Tool use allows a model to request external operations, such as looking up information or running an authorised function

What it means, how it is used and where it comes up, with its related concepts.

[The whole glossary](https://www.zorraquino.com/en/dictionary)

## What it is and how it works

The application validates and executes those requests according to its rules. It extends what the system can do, but introduces dependencies and operational risks. Permissions, inputs, outputs and the effects of each action must be controlled.

Topics

[Artificial intelligence](https://www.zorraquino.com/en/dictionary/category/inteligencia-artificial)

## Related concepts

- [Foundation model](https://www.zorraquino.com/en/dictionary/foundation-model)
- [Multimodal model](https://www.zorraquino.com/en/dictionary/multimodal-model)
- [AI agent](https://www.zorraquino.com/en/dictionary/ai-agent)