Yaqin Hei
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Tool Layer

2 posts

别让 AI 智能体直接调外部 API——5 层工具调用架构 + 25 个 API 契约清单

带客服 Agent 项目这一年最常见的伪架构:『我们让 Agent 直接调订单 / 工单 / 物流 API,接了 25 个,覆盖率高』——然后问「换 OMS 供应商怎么办」答「重写」,问「Mock 联调」答「等真实接口」,问「写操作合规审计」答「自己加日志」。这是没分层。写给正在带企业 Agentic 落地的架构负责人、老板、项目需求方:5 分钟能识破「Agent 直连 API」这个最贵的架构错误,10 分钟能拍板 5 层(Adapter / Service ABC / Tool / Workflow / Critic)的职责边界,20 分钟拿到 6 大外部系统 25 个 API 的分层接入清单 + 5 个本周要推动的架构决策。

May 27, 2026·17分钟阅读

Five Architecture Decisions That Determine Whether Your Customer-Service Agent Can Ship | Agentic AI in Practice (II)

A customer-service Agent looks like the perfect candidate for L3 multi-Agent orchestration. The ones that actually ship are all L2 deterministic workflows. A refund the autonomous chain pushed through by mistake, and the five forks it forces you to think about.

May 16, 2026·18 min read

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