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OCTOBER’S MOST TRENDING GITHUB REPO: REA (Reverse Engineer Anything). 86.7K ⭐️ on GitHub, +25K just today. It lets your AI agent take apart almost any app and tell you how it works. Free and open source. Here’s the idea: You see a feature you like in some app. You... ask your agent “how did they build this?” It digs into the app and explains it to you, with proof, without needing the source code. What it can open: → Mac, Linux and Windows apps → JavaScript and Electron apps → Android apps and websites → Everything runs on your computer, nothing gets uploaded → Works with Claude Code, Codex, Cursor, Gemini CLI and OpenCode Try something like: “Figure out how Discord shows who’s typing in real time, show me the proof, and build something similar for my project.” Heads up: it won’t give you the app’s original code or clone it. And knowing how something works doesn’t mean you’re allowed to copy it. How I’d use it: see how another tool solves a problem I have in my own app, find out which APIs it uses… the rest is up to your imagination. share this if you found it useful ♻️ and save it before you lose it 🔖 Repo ↓show more

céline ✧

149,609 subscribers

50,644 views • 15 days ago •via X (Twitter)

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51 Comments

tobarra15 days ago

github está on fire con esto

céline ✧15 days ago

absolutely

angel15 days ago

wait what this is insane

céline ✧15 days ago

ong!

ryu.15 days ago

como?? madre mia , esta repo es una completa locura

céline ✧15 days ago

yess

karla15 days ago

reverse engineering speedrun any%

Alba15 days ago

no source code needed is actually wild

céline ✧15 days ago

i know!!

rob.15 days ago

puedo usarlo con discord?

céline ✧15 days ago

yes, i used it with discord yesterday

HawksT15 days ago

wonder how long until apps start shipping obfuscation just to slow down agents lol

draven15 days ago

86.7k stars for a reason

céline ✧15 days ago

absolutely

Marco15 days ago

+25k estrellas en un dia, la verdad que poco me parece para esta locura

céline ✧15 days ago

so real

yuulia ✟15 days ago

this is crazy crazy

Vivi15 days ago

esto es brujería pero legal

céline ✧15 days ago

hahahah

MS.¥15 days ago

esto es brujería pero legal

céline ✧15 days ago

😂😂

Ryoru 𒌐15 days ago

bookmarked, testing it tonight

céline ✧15 days ago

lmk

brenz.15 days ago

lo probare

céline ✧15 days ago

lmk!!

SONIA15 days ago

normal que este trending esto es loco

céline ✧15 days ago

yess

gus15 days ago

ok this is lowkey genius

céline ✧15 days ago

its so alpha

Kevin Moreira15 days ago

devs about to learn so much from this

céline ✧15 days ago

fr!

ronix15 days ago

esto es como tener rayos x para apps

céline ✧15 days ago

Hahahah literally

toba15 days ago

everything staying local is the best part

céline ✧15 days ago

yess tbh

adri15 days ago

finally i can stop guessing how apps work

Paulo Pierrondi | AI agents in production15 days ago

Reading how an app works was never the moat. The moat is what a reverse-engineer can't see: the data, the support history, the approvals that decide what ships. Cloning a feature is a weekend now. Running it reliably for a year still isn't.

David Arnal15 days ago

The “show me the proof” part is what stands out. Can it reliably distinguish observed behavior from an educated guess when the app’s internals are opaque?

E_genius15 days ago

+25k stars in a day for a tool that takes apart any app. every saas founder reading this just felt their moat get a little shallower lol

rachit15 days ago

saved

berni15 days ago

free and open source? say less

naldz.15 days ago

me opening discord just to understand the typing dots

céline ✧15 days ago

me too hahah

kai.15 days ago

claude code con esto es otro nivel

Paulo Pierrondi | AI agents in production14 days ago

Agents that can take apart any app are powerful, so the permission layer matters. Mine can inspect and propose all day, but anything that writes or sends goes through me.

CesarAG15 days ago

my agent about to know discord better than discord devs

BNELLY15 days ago

saved

ari.15 days ago

this is how you actually learn to code

catman15 days ago

REA can inspect Mac, Linux, Windows, Android apps, Electron apps, and websites, while keeping the analysis on your computer; that helps explain behavior without handing over source code.

小明叔叔看AI · Uncle Xiaoming15 days ago

The most interesting part isn't the reverse engineering — it's that REA turns every proprietary app into a free textbook. Your competitors' UX decisions, their API design, their edge cases: suddenly all readable. The real moat was never the code itself, it was the "how it works" knowledge locked inside. REA just turned that knowledge into a commodity.

Ahmad15 days ago

people are gonna take apart so many apps with this

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