--- 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 |