2025 年大家都忙着搞 agent. 下面分类是随便分的.

Tools/Prompts

• System Prompts and Models of AI Tools. 各种 AI 的系统提示词以及 tool schema
• Claude Cookbooks. citation 和 research agent 的提示词示范
• 2025-05. Highlights from the Claude 4 system prompt. 分析提示词
• 2025-03. Markdown vs. XML in LLM Prompts: A Comparative Analysis
• Claude Docs. Essential tips for long context prompts
• 2025-04. How ChatGPT Memory Works. 逆向 memory tool
• 2025-06. 逆向 Gemini 2.5 Pro 搜索功能. Browse 工具是个 sub-agent, 根据提示词从网页中返回相关信息给主 agent.
• Anthropic. 2025-03. The “think” tool: Enabling Claude to stop and think in complex tool use situations
• Anthropic. 2025-09. Writing effective tools for agents — with agents

Context-Engineering

• Lance’s Blog. 2025-06. Context Engineering for Agents
• Drew Breunig. 2025-06. How Long Contexts Fail
• manus. 2025-07. Context Engineering for AI Agents: Lessons from Building Manus
• 周星星-知乎. 2025-09. Context Engineering 上下文工程的前世今生
• 2025-10. Context Engineering for AI Agents with LangChain and Manus - YouTube. PMF 之前别训模型
  • Lance Martin’s slides (LangChain)
  • Yichao “Peak” Ji’s slides (Manus)
• Anthropic. 2025-10. Introducing Claude Skills. 不同于之前的 tools/mcp, skills 可以层级化地提供信息, 提供信息的方式更灵活, LLM 按需加载, 而无需一开始就把所有 desc 都加载到 prompt 中. 上面那篇 manus 里也有提到他们做了类似的按需加载的模式.

System

现在趋势是自己不做 index (分块 + 向量化 + 向量数据库), 直接让 LLM grep 或者 web search. 比如 Claude, Cline...