---
id: wiki-2026-0508-tool-use-function-calling
title: "Tool Use & Function Calling"
category: 10_Wiki/Topics
status: duplicate
canonical_id: tool-usage-optimization
duplicate_of: "[[Tool-Usage-Optimization]]"
aliases: []
source_trust_level: A
confidence_score: 0.9
verification_status: redirected
tags: [duplicate, tool-use, function-calling, llm]
last_reinforced: 2026-05-10
github_commit: pending
---

# Tool Use & Function Calling

> **이 문서는 [[Tool-Usage-Optimization]] 의 중복본입니다.** Canonical 문서로 redirect.

## 핵심 요약
- "Tool use" (Anthropic 용어) 와 "function calling" (OpenAI 용어) 는 매 동일 concept.
- LLM 이 structured JSON schema 를 따르는 tool call 을 emit, host 가 실행 후 결과를 LLM 에 feed.
- Canonical 문서: parallel tool use, error handling, prompt caching for tool defs, agentic loops.

## 🔗 Graph
- 부모: [[Tool-Usage-Optimization]] (canonical)

## 🕓 변경 이력
| 날짜 | 변경 |
|---|---|
| 2026-05-08 | Phase 1 |
| 2026-05-10 | 중복 처리 — canonical 문서로 redirect |
