# How to rebuild a feature you saw, in your own project with rea

Repo: [morluto/rea](https://github.com/morluto/rea) | Difficulty: Intermediate | Time: 1 hour | Basis: Seen in the wild

Have your agent study a feature in an app, then write and test a version for your codebase.

**Who it is for:** Solo founder who wants a comparable feature in their product after studying how another app does it

**The problem:** You know what the feature does but not how to build it, and copying blindly risks missing key details.

**The outcome:** A working implementation in your project, grounded in what the agent observed in the target app.

## Steps

1. Run npx rea-agents setup and restart your agent.
2. Ask the agent to investigate the feature in the target app and explain it first.
3. Ask it to build a version for your project and test it.
4. Review the code and compare it against the evidence it listed.

## Prompt to paste into your agent

```text
Use REA to investigate <feature> in <app> at <path>, show the evidence, then build a version for my project at <project path> and test it. Verify the result matches the behavior it observed, not just a guess.
```

## Caveat

Reimplementing another product's behavior can raise copyright, license and terms-of-service issues. Write your own code and only study apps you are permitted to inspect.

## Seen in the wild

- X (Oct 2026): https://x.com/i/web/status/2112187888741822588
- X (Oct 2026): https://x.com/i/web/status/2112162379614314867

Dual-use notice: only use this on software, sites and systems you own or are authorized to test.

Disclaimer: Third-party repos we don't own or vouch for. AI-generated use cases can be wrong: review everything and run at your own risk. Full text: https://dedupedai.com/disclaimer/

URL: https://dedupedai.com/use-cases/morluto-rea/build-similar-feature-for-my-project/