The most important rule is to never trust the client. Any game logic, high-value scripts, or game progression data should be stored in ServerScriptService and ServerStorage . As one developer summarized, “Just put important code in server scripts and use localscripts for UI interactions and the like.”
The vast majority of tools advertised online as "free model stealers" are scams or malicious software (malware) . The Massive Risks of Using "Free" Stealer Tools roblox model stealer free
While "free Roblox model stealer" tools promise a quick path to building a great game, they deliver broken assets, high risks of malware, and the potential for permanent account bans. Building a successful Roblox game requires functional server-side logic, original design, and community trust—none of which can be acquired through a client-side asset ripper. The most important rule is to never trust the client
Many "free models" posted on the Toolbox contain malicious code called backdoors, which can compromise your entire game. Always inspect any model you insert for suspicious scripts, and avoid using free models from unverified sources. The Massive Risks of Using "Free" Stealer Tools