---
type: Glossary Term
title: Tool Use / Function Calling
description: "Tool Use / Function Calling is a AI infrastructure concept in modern AI systems that provides foundational capabilities for AI system deployment and operation. "
resource: "https://www.contextstudios.ai/glossary/tool-use-function-calling"
category: infrastructure
language: en
timestamp: "2026-02-19T12:36:50.408Z"
---

# Tool Use / Function Calling

Tool Use / Function Calling is a AI infrastructure concept in modern AI systems that provides foundational capabilities for AI system deployment and operation. It plays a key role in enterprise AI deployments where reliability and scalability are critical for production workloads.

## Business Value

Establishes reliable tool use / function calling infrastructure that ensures 99.9% availability for mission-critical AI applications.

## Context Studios Perspective

We implement tool use / function calling with production-hardened patterns that our clients run at scale across multiple regions and compliance boundaries.