Unverified50% confidenceFactExact time
OpenAI支持parallel_tool_calls并行调用多工具，Anthropic的Claude采用<function_calls>特殊XML标签分隔工具调用输出，Google Gemini通过FunctionDeclaration对象声明工具
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/14/2026
First Seen
Valid until: 10/12/2026
Sources
MCP协议详解：与Function Calling、Agent的关系及实践指南
bilibili六六科技笔记7/11/2026
Related Claims
UnverifiedOpenAI 使用 JSON Schema 定义 Function Calling 工具参数，Gemini 引入了 Parallel Function Calling 机制80% similarVerifiedOpenAI的Function Calling、Anthropic的Tool Use以及Google的Gemini Function Calling是当前主流的工具调用技术方案78% similarPartially VerifiedAnthropic提出了Tool Use（工具使用）规范，OpenAI升级了Parallel Function Calling（并行函数调用）允许模型在单次推理中同时触发多个工具调用78% similarUnverified不同Provider对工具调用的消息格式存在差异：OpenAI将工具定义放在顶层tools字段并通过role:tool返回结果，Anthropic Claude使用tool_use和tool_result内容块，Google Gemini采用functionDeclarations和functionResponse78% similarVerifiedAnthropic、Google和OpenAI分别推出了各自的Agent框架：Claude Computer Use、Gemini Function Calling、OpenAI Assistants API75% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/503369API
curl https://kongchang.com/api/v1/knowledge/claims/503369MCP
get_claim(id=503369)