Glossary
Tool Use (Function Calling)
Tool use, or function calling, is the ability of an AI agent to call external tools, APIs, or functions to complete a task. In governed systems, every tool call should be scoped, authenticated, and logged.
Tool use, or function calling, is the ability of an AI agent to call external tools, APIs, or functions to complete a task. In governed systems, every tool call should be scoped, authenticated, and logged.
Prefactor helps teams observe, evaluate, and improve their AI agents in production — across every framework and provider.