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Replica Skill: turn an app idea into your own product

Eleven free, open-source Claude Code skills that help you research an app's behavior, plan a fresh implementation, build, test and improve it.

Not an instant one-click clone, and not a browser-run app. You need a coding assistant, setup and human review. Results depend on project complexity.

Follow the setup stepsGet the GitHub source
Original diagram: study an app and use Claude Code skills to build an independent alternative
Original workflow illustration, not an app screenshot or a tested result.

How it works

01

Study the experience

Start with public material or your own account. Map features and journeys, not someone else's code.

02

Build independently

Use architecture, design and build skills to make your own project with original code and branding.

03

Test and improve

Check bugs, compare feature coverage and refine the experience before launch.

See how it could work

Illustrative example: an appointment booking app

Imagine building your own scheduler where visitors choose, confirm and reschedule an appointment. This is a hypothetical learning example, not a project we tested or a guaranteed output.

Try a starter command
Three-stage illustration: research a scheduling app, build a new one and test it
Original conceptual drawing of the stages; not a Replica Skill screenshot.

A first command to try

Enter this in Claude Code after installing the plugin. If skill suggestions appear, choose replica-recon. Do not include passwords or client data in the request.

/replica-skill:replica-recon
Map an appointment booking app from public pages only. Identify screens, booking/cancellation flows and essential features. Propose a separate original product plan. Do not copy source code, branding, text or protected assets.

All 11 skills, explained

These are Claude Code plugin commands, ordered from research to launch.

01
/replica-recon

Map screens, features and flows from permitted sources

02
/replica-architect

Plan the stack, data model and APIs

03
/replica-design

Create a fresh design system with original assets

04
/replica-build

Build independent screens and features

05
/replica-backend

Add auth, data and authorized integrations

06
/replica-test

Test journeys and report defects

07
/replica-diff

Check feature parity and missing parts

08
/replica-entrepreneur

Read sourced reviews to find problems worth solving

09
/replica-brand

Create a different name and identity; check conflicts

10
/replica-launch

Draft landing page, pricing and launch copy

11
/replica-deploy

Run preflight checks before deploying to your domain

When installed as a plugin, commands are namespaced with replica-skill: as shown in the starter example.

Source and requirements

Made by Jake Schincariol and published on GitHub under MIT. The source is free, but Claude Code/model access and optional hosting or integrations may cost extra. Setup requires a computer with Claude Code; some helper scripts need Python 3.8+.

MIT • Git commit 77c9436fb3 • 21 Oct 2026

Read the original documentation

Important boundaries

These skills guide a clean-room reimplementation of functionality and user flows. They do not grant rights to proprietary code, names, logos, content, user networks or restricted data. Check licenses, terms, permissions and testing before launch.

See setup steps

Quick questions

Is Replica Skill free?

The MIT-licensed skill files are free. Your AI assistant may require a paid plan, and hosting or integrations may add costs.

Can I run it from a phone?

This is not a phone app. The documented workflow uses Claude Code on a computer. A phone can read this guide.

Can it copy Instagram or WhatsApp exactly?

No. It can help study permitted public patterns and build a separate product. It cannot reproduce proprietary data, user networks, protected assets, or guarantee full parity.

Do I need programming experience?

The skills can help implement a project, but scoping, code review, testing and configuring services remain important before going live.

Use the original GitHub source and check permissions before sharing data or launching a project.

Replica Skill

Download and setup, made simple

Download source files · ZIP
Cost
Free skills; the assistant may require payment
Difficulty · our assessment
Intermediate

Requires Claude Code, plugin installation and project scoping, code review and testing. Complex apps take further technical work.

Before you start: Computer with a plugin-capable Claude Code session; enter /plugin commands in Claude Code chat, not the terminal. Some helpers need Python 3.8+.

  1. Open Claude Code on your computer and sign in.

  2. Install the plugin using the two commands below inside Claude Code chat; restart the session if needed.

    Project’s recommended installation method

    /plugin marketplace add Jakeschincariol/replica-skill
/plugin install replica-skill@replica-skill

  3. Start by analyzing a simple app through public sources, then review the scope before building.

    /replica-skill:replica-recon Study a booking app from public pages and plan an independent alternative.

MIT source files are free; Claude Code, model access, hosting and integrations may cost money. Do not copy proprietary code or protected branding/assets.

The ZIP contains source code, not an app installer. The steps above use the project’s direct installation method; ZIP is optional for inspection or the manual setup documented upstream.

Original GitHub documentation ↗