---
type: "GlossaryTerm"
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"
language: "en"
tags: ["infrastructure"]
generated:
  by: "process:contextstudios-md/1"
  at: "2026-10-08T20:44:55.027Z"
status: "stable"
---

# 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.