AI Glossary Term

What is Function Calling?

Definition

A model capability to generate structured calls that trigger external tools or APIs.

Related terms

A model's ability to call external tools such as search, calculators, or APIs.

MCP (Model Context Protocol)

An open protocol that lets AI applications connect to external tools, data sources, and context providers in a standard way.

A software system that can observe, reason, and take actions to achieve a goal, often using tools and memory.

API (Application Programming Interface)

A structured way for one software system to send requests to and receive responses from another system.

Cross-Entropy Loss

A common objective function used to train classification models by penalizing incorrect probabilities.

A collection of structured or unstructured examples used for training, validation, or testing.

Learn more in our free guides

Tool Calling Signed Distance Functions Function Vectors and Task Representations Influence Functions for Training Data Attribution

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