Langgraph 7. Skills 案例源代码
**摘要**：技能（Skills）是可复用、可插拔的能力单元，让智能体按名称或描述**发现**、**选择**、**加载**、**使用**外部能力，而不是把逻辑写死在代码里。本文说明 Skills 的动机、业界标准 [Agent Skills](https://agentskills.io/specification)（SKILL.md + 文件夹），以及**最佳实践**：在 `demo_codes` 中通过 **skills_library/**（技能库）、**skill_loader**（发现→选择→加载→使用）、**main.py** 演示如何按规范接入 SkillMD、Anthropic 官方等技能库。文中给出技能库下载与放置说明，以及典型 skill（Summarize、Launch Brief Builder、PR Review Guard）的对照参考。
**关键词**：技能；Skills；Agent Skills；SKILL.md；发现；加载；使用；LangGraph；Agentic Design Patterns
这里，我们给出一个示例。其严格按上述流程实现，作为 **Skills 用法的 Best Practice**：技能存放在 **skills_library/**，通过 **skill_loader.py** 提供 `discover_skills()`、`load_skill()`、`select_skill_for_task()`、`use_skill_with_llm()`，入口为 **main.py**。
博客链接：https://blog.csdn.net/zyctimes/article/details/159010743?spm=1011.2415.3001.5331
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