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LangChain(@LangChainAI)

Model. Harness. Context. The 3 Main Components of Agents

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Model. Harness. Context. The 3 Main Components of Agents

TL;DR · AI Summary

LangChain identifies three core components for agents: Model, Harness, and Context, and introduces LangSmith Context Hub to manage context efficiently.

Key Takeaways

  • Agents are composed of three key parts: Model, Harness, and Context.
  • With more agents being built, Context needs dedicated management—LangChain creat
  • Context includes AGENTS.md, skills, policies, examples, and generated research f

Outline

Jump quickly between sections.

  1. Agents consist of Model, Harness, and Context.

  2. As agent numbers grow, Context becomes a critical resource that needs centralized management.

  3. LangChain has launched LangSmith Context Hub to manage Context effectively.

Mindmap

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查看大纲文本(无障碍 / 无 JS 友好)
  • 智能体架构
    • Model
    • Harness
    • Context
      • AGENTS.md
      • 技能
      • 策略
      • 示例
      • 研究文件
    • 管理工具
      • LangSmith Context Hub

Highlights

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#AI Agent#LangChain#Context Management
Open original article

The 3 main components of agents.

As you build more agents, context increasingly lives AGENTS.md, skills, policies, examples, + generated research files.

Context needs its own home. That’s why we built LangSmith Context Hub. https://t.co/OLr85Nh27n" / X

LangChain on X: "Model. Harness. Context. The 3 main components of agents. As you build more agents, context increasingly lives AGENTS.md, skills, policies, examples, + generated research files. Context needs its own home. That’s why we built LangSmith Context Hub. https://t.co/OLr85Nh27n" / X

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LangChain

@LangChain

Model. Harness. Context. The 3 main components of agents. As you build more agents, context increasingly lives AGENTS.md, skills, policies, examples, + generated research files. Context needs its own home. That’s why we built LangSmith Context Hub.

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9:53 PM · May 14, 2026

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