Verified65% confidenceFactTime unknown

Before MCP, the interaction between large models and external tools mainly relied on vendor-defined Function Calling mechanisms, with OpenAI and Google Gemini each having different function calling formats that were mutually incompatible.

3

Sources

65%

Confidence

Long-term

Relevance

6/3/2026

First Seen

Sources

LangGraph + MCP in Practice: A Deep Dive into Agent Architecture and the MCP Protocol

bilibili码士集团-踢踢

Related Entities

OpenAIcompany Google Geminimodel Function Callingconcept

Related Claims

VerifiedBefore MCP emerged, the integration of large language models with external tools was highly fragmented, with OpenAI's Function Calling, LangChain's Tool framework, and various vendor plugin mechanisms being mutually incompatible.85% similar Verified在MCP出现之前，AI调用外部工具主要依赖OpenAI的Function Calling机制或各框架自定义的插件系统80% similar Unverified在MCP出现前存在LangChain Tools、OpenAI Function Calling等多套互不兼容的集成规范，造成生态碎片化77% similar

Cite This Claim

Stable URI

https://kongchang.com/claim/38148

API

curl https://kongchang.com/api/v1/knowledge/claims/38148

MCP

get_claim(id=38148)