AI engineering glossary · Agents tools MCP

What is toolformer?

Toolformer: A research method in which a language model is trained to decide for itself when to call external tools such as a calculator or search engine, and how to use the results, by learning from examples it generated itself. It is an early paper on teaching tool use to models.

Level: advancedTopic: Agents tools MCP

Toolformer: an example

The model learns to insert a calculator call when it sees a sum, instead of guessing the number.

Related terms

More Agents tools MCP terms

Where you learn it

Toolformer is part of the AI Engineering Program, which teaches it with notes, a hands-on lab and an exam. The first lesson is free.

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