Windy3f3f3f3f/claude-code-from-scratch

1,312 stars · Last commit 2026-05-12

Build your own Claude Code from scratch. 🔍 Claude Code 开源了 50 万行代码，读不动？用 ~4000 行 TypeScript / Python 从零复现核心架构，11 章分步教程带你理解 coding agent 精髓

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# Claude Code From Scratch

**一步一步，从零造一个 Claude Code**

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[![License: MIT](https://img.shields.io/badge/License-MIT-blue.svg?style=flat-square)](./LICENSE)
[![TypeScript](https://img.shields.io/badge/TypeScript-3178C6?style=flat-square&logo=typescript&logoColor=white)](#)
[![Python](https://img.shields.io/badge/Python-3776AB?style=flat-square&logo=python&logoColor=white)](#)
[![Lines of Code](https://img.shields.io/badge/~4300_lines-minimal-green?style=flat-square)](#)

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[**📘 在线阅读教程 →**](https://windy3f3f3f3f.github.io/claude-code-from-scratch/)
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[📘 Read Tutorial (English) →](https://windy3f3f3f3f.github.io/claude-code-from-scratch/#/en/)
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[English](./README_EN.md)

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