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---
title: "Prompt-to-Harness Evolution三阶段工程演进"
created: 2026-05-23
updated: 2026-05-23
type: concept
tags: [agent, evolution, prompt-engineering, context-engineering, harness]
sources: [raw/papers/agent-harness-engineering-survey-2026.md]
confidence: high
---
# Prompt → Context → Harness Engineering 三阶段演进
> Agent 工程的约束瓶颈随时间从 Prompt 上移到 Context再上移到 Harness 层面。每个阶段对前一阶段的包含而非取代。
## 三阶段
| 阶段 | 时期 | 约束瓶颈 | 核心问题 |
|------|------|---------|---------|
| Prompt Engineering | 2022-2024 | 模型指令遵循能力 | "如何让模型做我想做的事?" |
| Context Engineering | 2025 | 上下文窗口管理 | "模型应该看到什么才能做出正确决策?" |
| Harness Engineering | 2026- | 基础设施全栈可靠性 | "整个系统如何在生产环境中可靠运行?" |
## 包含而非替代
每一阶段包含前一阶段:
- Harness Engineering 包含 Context Engineering上下文是 harness 的 C 层)
- Context Engineering 包含 Prompt Engineeringprompt 是最基本的上下文)
最佳理解方式:**边际工程努力的转移**,而非替换序列。
## 2026 年的三个验证事件
1. OpenAI 明确采用"harness"术语
2. Anthropic 发布关于 harness 设计的工程博客系列
3. Martin Fowler 网站发表 harness engineering 文章Böckeler, 2026
## 相关概念
- [[binding-constraint-thesis]]
- [[agent-harness-engineering]]
- [[context-management]]
- [[agent-harness-engineering-survey]]