---
title: "REA: Let Claude Code Explain How an App Works #ClaudeCode #AIAgents #ReverseEngineering"
url: "https://reamcp.dev/en/cases/rea-let-claude-code-explain-how-an-app-works-claudecode-aiag-a80b09"
source: "https://www.youtube.com/watch?v=QgIqqqmRp40"
source_type: "youtube"
author: "Rananjay Raj"
author_handle: "rananjayraj"
stars: 0
category: "File formats & protocols"
categories: ["formats-protocols"]
tags: ["claude-code", "codex", "cursor", "mcp", "reverse-engineering"]
added: "2026-10-13T04:19:50.644Z"
updated: "2026-10-13T04:19:50.644Z"
locale: "en"
content_locale: "en"
---

# REA: Let Claude Code Explain How an App Works #ClaudeCode #AIAgents #ReverseEngineering

REA helps AI coding agents inspect apps and explain how their features work, even without the original source code. Get REA: https://github.com/morluto/rea REA stands for Reverse Engineer Anything. It connects coding agents such as Claude Code, Codex and Cursor to tools that inspect software and return findings with evidence.

## Description

Your agent can use those findings to explain a feature or help build a similar feature in your project. Setup: 1. Install a supported version of Node.js and npm. Check the repo for the current requirements. 2. Run: npx rea-agents setup 3. Choose your agent, review and approve the changes, then restart your agent.

## Original README

REA: Let Claude Code Explain How an App Works #ClaudeCode #AIAgents #ReverseEngineering