jung-wan-kim

Claude Code Reverse Engineering — Design skill for Claude Code

Design community

Reverse-engineered design documents for Anthropic Claude Code CLI - implementation-ready specifications.

How to install Claude Code Reverse Engineering

This entry records only its repository, not the path inside it, so there is no exact command to give. Open jung-wan-kim/claude-code-reverse-engineering and copy the folder into ~/.claude/skills/, or the file into ~/.claude/agents/.

What Claude Code Reverse Engineering does

Reverse-engineered design documents for Anthropic Claude Code CLI - implementation-ready specifications.

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README

Claude Code CLI — Reverse Engineering Design Documents

**Implementation-ready** reverse engineering specifications for Anthropic's [Claude Code](https://docs.anthropic.com/en/docs/claude-code) CLI tool. Extracted via source map analysis of the npm package (March 2026).

At a Glance

┌─────────────────────────────────────────────────────────────────────┐
│                      Claude Code CLI                                │
│                                                                     │
│   ~1,900 files  ·  512,000+ LOC  ·  TypeScript Strict  ·  Bun     │
│                                                                     │
│   ┌──────────┐  ┌──────────┐  ┌──────────┐  ┌──────────┐          │
│   │  React   │  │   Ink    │  │  Yoga    │  │Commander │          │
│   │   19     │  │ (custom  │  │ (WASM    │  │   .js    │          │
│   │          │  │   fork)  │  │  layout) │  │          │          │
│   └────┬─────┘  └────┬─────┘  └────┬─────┘  └────┬─────┘          │
│        └──────────────┴──────────────┴──────────────┘               │
│                         Terminal UI                                  │
│   ┌─────────────────────────────────────────────────────────────┐   │
│   │                     Core Engine                              │   │
│   │  ┌─────────┐ ┌──────────┐ ┌───────────┐ ┌──────────────┐   │   │
│   │  │  45+    │ │  Query   │ │ Streaming │ │    Cost      │   │   │
│   │  │  Tools  │ │  Engine  │ │ Executor  │ │   Tracker    │   │   │
│   │  └─────────┘ └──────────┘ └───────────┘ └──────