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Post-merge sync the gates forced (the system working as designed):
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Markdown

# 介绍
DeepSeek Harness 是一个**插件化的 Agent 开发框架**,基于 [Cordis](https://github.com/cordiverse/cordis) 微内核构建。它的核心理念是:**一切皆插件**。
## 它是什么
Harness 将一个 AI Agent(智能体) 所需要的所有能力——LLM 调用、工具执行、会话管理、子任务分配——全部构建为可组合的插件。你通过一个 `cordis.yml` 配置文件来声明加载哪些插件、使用什么参数,就能组装出一个完整的 Agent。
```yaml
# 选择 LLM 后端
- name: '@deepseek-ai/dsh-llm-deepseek'
config:
apiKey: !!js process.env.DEEPSEEK_API_KEY
# 选择应用模板
- name: '@deepseek-ai/dsh-stdio-demo'
config:
model: deepseek-v4-flash
```
## 适合谁
### 应用使用者
如果你只是想用一个现成的 Agent 应用(如编程助手、对话代理),你需要的全部操作就是:
1. 复制一个 example 模板
2. 填写 API key
3. 运行
不需要写任何代码。详见 [快速开始](./quickstart)。
### 插件开发者
如果你想为 Agent 添加新能力——一个自定义 tool、一个新的 LLM 适配器、一个新的执行后端——你需要编写一个插件。Harness 提供了清晰的扩展接口和类型安全的开发体验。详见 [开发](../develop/basic/)。
## 核心特性
- **只需要配置** — `cordis.yml` 决定能力集合,换模型、加工具只需改一行
- **随时替换 (HMR)** — 开发时修改插件代码,无需重启进程
## 技术栈
- **运行时**: Node.js >= 24
- **语言**: TypeScript (ESM)
- **框架**: Cordis
- **包管理**: pnpm workspaces