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84%的人在用AI工具,只有18%觉得自己真会用,这个18.7k Star项目要补上这个差距

84%的人在用AI工具,只有18%觉得自己真会用,这个18.7k Star项目要补上这个差距

84% 的人在用 AI 工具,只有 18% 觉得自己真会用,这个 18.7k Star 项目要补上这个差距

84% 的学生已经在使用 AI 工具,但只有 18% 觉得自己有能力把 AI 应用到专业领域。GitHub 上一个叫 AI Engineering from Scratch 的项目就是冲着这个差距来的,两周涨到 18.7k Star。435 节课,20 个阶段,预计 320 小时,从线性代数一路教到多 Agent 系统。每节课产出一个可复用的产物:prompt、skill 文件、agent 或 MCP server

跟市面上大多数"AI 学习路线"不同的是,这个项目不只是列链接。每节课有固定的六步结构:MOTTO(核心理念)、PROBLEM(具体痛点)、CONCEPT(图解直觉)、BUILD IT(手写实现,不用框架)、USE IT(生产级框架实现)、SHIP IT(输出可复用产物)


整个课程分 20 个 Phase,从第 0 阶段的环境搭建到第 19 阶段的毕业项目

基础层(Phase 0-3,65 节课)

Phase 0 搞定开发环境、Git、GPU、Docker。Phase 1 补数学,线性代数、微积分、概率论、优化理论。Phase 2 进入经典 ML,回归、决策树、SVM、聚类。Phase 3 从零构建神经网络,手写反向传播

感知层(Phase 4-6,74 节课)

Phase 4 计算机视觉,从卷积到扩散模型到 ViT。Phase 5 自然语言处理,从分词到注意力机制。Phase 6 语音和音频,ASR、TTS、音乐生成

模型层(Phase 7-10,62 节课)

Phase 7 深入 Transformer 架构。Phase 8 生成式 AI,VAE、GAN、扩散模型。Phase 9 强化学习,从 Q-learning 到 PPO 到 RLHF。Phase 10 从零构建大语言模型,分词、预训练、指令微调、量化

应用层(Phase 11-13,65 节课)

Phase 11 LLM 工程化,Prompt Engineering、RAG、微调、Function Calling、MCP。Phase 12 多模态 AI,CLIP、VLM、视频理解。Phase 13 工具和协议,MCP 服务端/客户端构建、OAuth

Agent 层(Phase 14-16,89 节课)

Phase 14 是最大的一个阶段,42 节课专讲 Agent 工程。从基础循环到记忆系统到规划能力,覆盖 LangGraph、AutoGen、CrewAI、Claude Agent SDK 等主流框架。Phase 15 自主系统,长期任务、自我改进、安全机制。Phase 16 多 Agent 协作,通信协议、编排模式、共识机制

生产层(Phase 17-19,75 节课)

Phase 17 基础设施,推理优化、量化、可观测性、安全合规、成本管理。Phase 18 伦理和对齐,红队测试、越狱防御、差分隐私、水印。Phase 19 毕业项目,17 个端到端项目


为什么 Agent 占了最大篇幅

整个课程 435 节课里,Agent 相关的内容(Phase 14-16)占了 89 节,超过五分之一。Phase 14 单独就有 42 节课

这个比重分配反映了当前行业的实际需求。模型层的知识(Transformer、LLM)是基础,但 2025-2026 年市场上最缺的是能把模型变成可用系统的 Agent 工程师

课程里专门覆盖了 Claude Agent SDK、OpenAI Agents SDK 这些最新的框架,还有 A2A(Agent-to-Agent)通信协议。毕业项目里也有编程 Agent、自主研究 Agent、多 Agent 团队这些直接对标当前热门产品的项目


四种语言,不只是 Python

大多数 AI 课程只用 Python。这个项目覆盖 Python、TypeScript、Rust 和 Julia 四种语言

Python 做原型和训练,TypeScript 做 Web 端 AI 应用,Rust 做高性能推理,Julia 做科学计算和数值优化。这个搭配跟实际工业界的语言分布很接近


每节课的输出都是可复用产物

这个项目最有价值的设计是"学完就有东西带走"。435 节课积累下来,项目里已经有 378 个 skill 文件和 99 个 prompt 模板

每节课的目录结构固定:code 目录放可运行的实现,docs 放课程叙述,outputs 放产出物。安装也很简单,npx skills add 就能把某个 phase 或某节课的 skill 装到本地

这意味着你不只是"学了 AI",你还有一整套可以直接用到工作中的工具库


技术栈一览

课程涉及的工具和框架覆盖面很广:

训练和推理:PyTorch、JAX、scikit-learn、vLLM、SGLang、TensorRT-LLM、llama.cpp、Ollama

Agent 框架:LangGraph、AutoGen v0.4、CrewAI、Claude Agent SDK、OpenAI Agents SDK

协议和平台:MCP、A2A、Bedrock、Azure OpenAI、Vertex AI

可观测性:Langfuse、Phoenix、Opik、OpenTelemetry

安全工具:Garak、Llama Guard、PyRIT、Constitutional AI

几乎把 2026 年 AI 工程师日常会用到的工具全覆盖了


适合谁用

项目要求的前置条件只有一个:会写代码(推荐 Python)。目标受众是想理解 AI 到底怎么运作的人,不满足于只调 API

如果你是刚入行的 AI 工程师,这 320 小时的内容相当于一个系统化的自学路径。如果你是有经验的开发者想转 AI 方向,可以用 /find-your-level 命令做个定位测试,直接跳到适合的阶段开始

项目地址:https://github.com/rohitg00/ai-engineering-from-scratch

                 
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  1. CONNECT:[ UseTime:0.000589s ] mysql:host=127.0.0.1;port=3306;dbname=wenku;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000848s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000309s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000233s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000502s ]
  6. SELECT * FROM `set` [ RunTime:0.000198s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000606s ]
  8. SELECT * FROM `article` WHERE `id` = 670816 LIMIT 1 [ RunTime:0.000410s ]
  9. UPDATE `article` SET `lasttime` = 1779876159 WHERE `id` = 670816 [ RunTime:0.000635s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000211s ]
  11. SELECT * FROM `article` WHERE `id` < 670816 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000425s ]
  12. SELECT * FROM `article` WHERE `id` > 670816 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000367s ]
  13. SELECT * FROM `article` WHERE `id` < 670816 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001652s ]
  14. SELECT * FROM `article` WHERE `id` < 670816 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001043s ]
  15. SELECT * FROM `article` WHERE `id` < 670816 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000992s ]
0.114143s