Comparison

Claude Code From Scratch vs rtk

rtk has more GitHub stars (83,501 vs 2,752). rtk was updated more recently (last commit 4h ago). Data comes straight from GitHub and refreshes daily.

Build your own Claude Code from scratch. Claude Code 开源了 50 万行代码，读不动？用 ~5000 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

$git clone https://github.com/Windy3f3f3f3f/claude-code-from-scratch

CLI proxy that reduces LLM token consumption by 60-90% on common dev commands. Single Rust binary, zero dependencies

$brew install rtk