Anthropic is furious: this secret tool can replicate any existing app x10 faster for free there's an open-source tool with 352k stars on GitHub that lets an AI agent take apart any app you have on your machine and explain exactly how a feature works. no source code needed. it's called REA. Reverse Engineer Anything. one line: npx rea-agents setup then you just ask Claude Code: "Understand how search works in the Notes app, show me the evidence, and build a similar feature for my project." and it does it. -> native binaries, through Ghidra, Hopper or IDA -> JavaScript and Electron apps -> .NET apps -> websites it runs locally. it shows its evidence. then it writes the code. that feature your team spent 8 months on? someone's agent can read how it works over lunch. so let's be honest about what this means: your moat was never the code. it was that copying you took effort. that effort just went to zero. the only things left that can't be cloned: your users, your speed, and y