Environment Setup

Windows PC only. The rb CLI runs on Node.js, the build output is a single .lua file you inject, and everything runs inside Roblox. Mobile and console are not supported.

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What you need

Tool	Notes
Windows 10/11	Required
Node.js 18+	Runs rb and pnpm
pnpm	Package manager — installs rb and project deps
.NET SDK 6+	Required for obfuscation (IronBrew2 runs on .NET)
VS Code	Recommended — TypeScript IntelliSense works out of the box
An executor	See Executor Setup
Alt Roblox account	Never test on your main

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Step 1: Install Node.js

Download the LTS installer from nodejs.org and run it. No admin needed if you choose "Install for current user."

Verify:

node --version   # v18.0.0 or newer

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Step 2: Install pnpm

npm install -g pnpm

Verify:

pnpm --version

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Step 3: Install rb

pnpm add -g pulse-rb

Open a new terminal after it finishes, then verify:

rb --help

That's the entire setup. No Python. No Lua. No zip files.

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Step 4: .NET SDK (for obfuscation)

rb build obfuscates your output using IronBrew2, which runs on the .NET CLI. Without it, rb build --no-obfuscate still works fine for development — but you need .NET to ship an obfuscated release.

Download the .NET SDK (not just the runtime) from dot.net and run the installer. No admin needed for the user-scoped install.

Verify:

dotnet --version   # 6.0 or newer

On first rb build, IronBrew2 is cloned automatically from GitHub to ~/.rb/ironbrew2/. Nothing else to configure.

tip

If you only use rb build --no-obfuscate during development (much faster), you can skip this step until you're ready to distribute.

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Step 5: VS Code

Download from code.visualstudio.com — no admin needed with "Install for current user."

TypeScript IntelliSense works automatically once you open a project — the tsconfig.json and @rb-pulse/core types configure it. You get autocomplete for signal, defineComponent, on.*, and all widget builders with no extra extensions.

Recommended settings.json (Ctrl+Shift+P → "Preferences: Open Settings (JSON)"):

{
  "editor.tabSize": 2,
  "editor.insertSpaces": true,
  "files.autoSave": "afterDelay",
  "files.autoSaveDelay": 500
}

autoSave at 500ms pairs with rb watch — save a file, script rebuilds automatically.

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Step 6: Alt account

Always test on an alt account, not your main.

• Scripts can trigger game anti-cheats
• You'll crash and disconnect constantly while debugging
• Some games permaban detected exploit users — alts are disposable

Create a free alt at roblox.com. Log into it in a separate browser profile or incognito window, then inject there.

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Quick checklist

node --version    ← v18.0.0 or newer
pnpm --version    ← any recent version
rb --help         ← should print rb command list
dotnet --version  ← 6.0 or newer  (needed for rb build obfuscation)

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Updating rb

pnpm add -g pulse-rb@latest

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Project folder tip

Keep projects in a path without spaces:

C:\Scripts\my-project\       ← good
C:\Users\My Name\my project\ ← avoid — spaces cause issues