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English(EN) A2A vs MCP in 2026: when agents should talk to agents instead of calling tools

代理通信协议MCP和A2A扮演不同角色

两种不同的协议,MCP和A2A(Agent2Agent),正在2026年涌现,用于代理间通信,它们满足不同的需求,而非直接竞争。MCP专为以工具为中心的交互而设计,其中一个代理调用另一个代理暴露的能力,调用者保留决策权。相比之下,A2A则促进向可以自主追求目标、规划多步操作并随时间管理任务的同级代理进行委托,通常使用可发现的Agent Card来宣传其技能和接口。 AI

影响 阐明了工具调用(MCP)和目标委托(A2A)协议的不同角色,指导未来的代理系统设计。

排序理由 该条目讨论了两种不同的代理通信协议,详细介绍了它们的功能和用例,这构成了对代理架构的研究。[lever_c_demoted from research: ic=1 ai=1.0]

在 dev.to — MCP tag 阅读 →

AI 生成摘要 · Google Gemini · 来自 1 个来源。 我们如何撰写摘要 →

代理通信协议MCP和A2A扮演不同角色

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该条目讨论了两种不同的代理通信协议,详细介绍了它们的功能和用例,这构成了对代理架构的研究。[lever_c_demoted from research: ic=1 ai=1.0]
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product
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报道来源 [1]

  1. dev.to — MCP tag TIER_1 English(EN) · Jeff ·

    A2A 对决 MCP:2026 年,智能体应如何进行交互而非调用工具

    <p>Two protocols show up in almost every 2026 agent design conversation: MCP and A2A. They are often presented as rivals, which is the first mistake. MCP and Agent2Agent solve different problems at different layers, and a production system frequently needs both. The useful questi…