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Jakeschincariol/replica-skill

Eleven Claude skills that clone an app and then fix what users hate

A MIT-licensed pipeline that reverse-engineers any app, rebuilds it clean-room, and mines real reviews for a competitive angle.

★526 stars Python Coding AssistantsApp Builders
Feature · 06 Oct 2026
Eleven Claude Skills Walk an App From Recon to Rival

replica-skill is a pipeline of prompt files and six small Python tools that clones what an app does — and, more interestingly, refuses to clone what it owns.

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What it does

Replica is a set of eleven Claude skills, run in order, that take an app from “I want to clone that” to deployed on your own domain. It starts with /replica-recon, which maps screens, flows, components and an inferred data model from public pages and your own account. Then a chain of skills handles architecture, design tokens, the build, backend wiring, testing, parity scoring, branding, launch copy and deployment. Each skill reads what the previous one wrote into a replica/ folder.

The interesting bit

The /replica-entrepreneur skill is the differentiator: it reads real user reviews across the App Store, G2, Capterra and Reddit, ranks complaints with counts and linked quotes, and turns them into a fix plan and positioning angle. It refuses invented data — every review without a link is dropped, and thin themes (under three reviews or one source) are flagged. The legal posture is also unusually explicit: clean-room functionality only, no logos, code, copy or content, and /replica-deploy blocks shipping until a sweep confirms nothing of the original remains.

Key highlights

  • Eleven skills covering recon through deploy, each usable standalone
  • Six standard-library Python tools, none touching the network — including imgdiff.py, which compares screenshots as edge maps so your own colour palette doesn’t count against you
  • parity.py weights must/should/could features, counts partial as half, and declares the clone unshippable if must-haves are missing
  • sweep.py catches the original’s name and colours even inside identifiers like OriginalAppEmbed
  • Works without Claude Code: paste any single SKILL.md into a chat, though you lose the Python tools

Caveats

  • The README is honest that this is not magic: a booking tool is weeks of work, and a spreadsheet engine is out of reach — recon sizes the job before you start
  • The example walkthrough (18 screens, parity scores, 140 reviews) is illustrative output, not a benchmark
  • The author explicitly says this is not legal advice; trademark checks and terms review are on you

Verdict

Worth a look for indie hackers and anyone curious about chaining agent skills into a full product pipeline — the review-mining and parity-scoring tools alone are reusable. If you were hoping for one-click app theft, the README will disappoint you, which is rather the point.

Frequently asked

What is Jakeschincariol/replica-skill?
A MIT-licensed pipeline that reverse-engineers any app, rebuilds it clean-room, and mines real reviews for a competitive angle.
Is replica-skill open source?
Yes — Jakeschincariol/replica-skill is open source, released under the MIT license.
What language is replica-skill written in?
Jakeschincariol/replica-skill is primarily written in Python.
How popular is replica-skill?
Jakeschincariol/replica-skill has 526 stars on GitHub.
Where can I find replica-skill?
Jakeschincariol/replica-skill is on GitHub at https://github.com/Jakeschincariol/replica-skill.

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