ivan-magda/swift-claude-code
★ 183 stars
Covered in week 2026-W21 · the 2026-05 report
A Swift reimplementation of a Claude Code-style coding agent, built stage by stage to explore what makes coding agents work
What swift-claude-code is
Exploring the architecture of coding agents by rebuilding a Claude Code-style CLI from scratch in Swift.
From the repository README · read it on GitHub →
Transcript
Claude Max costs $100 a month. This teaches you to build your own agent for free. Swift Claude Code is a 9-stage reimplementation that breaks down how coding agents really work. Each stage adds one core mechanism — from bash tools to subagents to context compaction. The entire agent loop fits in under 100 lines of Swift. 160 developers have already starred it. You will finally understand what happens under the hood of tools like Claude Code. Worth a star? Link in description.