RBXLuaJailer | Modding wrapper for the Roblox class hierarchy!

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I would like to introduce my wrapper, RBXLuaJailer. It is a security wrapper for the ROBLOX Instance class system that uses metatables to whitelist what can/cannot be used by users in user submitted code. This is great for games that allow user content creation like RetroStudio, or my own game, VirtualBlox Studio.

RBXLuaJailer can not only make user submitted code secure, but it also allows you to add custom members to instances which is otherwise impossible to do in ROBLOX. You can emulate your own engine features!

Github: GitHub - Humanagon/RBXLuaJailer: Secures user submitted lua code on ROBLOX!
File: RBXLuaJailer.rbxm (252.7 KB)

This video will detail the most basic usage of the module:

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Is it Lua 5.1 or Luau? Does type checking work for example?

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You can add any interpreter you want to it, and even use real loadstring if you like. You also don’t have to use an interpreter at all and can just wrap instances in real scripts.

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you forgot to distribute it?

Screenshot 2026-02-07 203715
Screenshot 2026-02-07 203715851×383 13.2 KB

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Is this the marketplace that’s not working?

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yea, the resource in marketplace doesn’t show anything

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Ugh what the hell.. hold on. Sorry, idk why roblox has been being so annoying with my development stuff lately

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I guess for now just use the release on github. I’m still trying to figure out how to sync the source code on there so hold on.

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I finally finished uploading all the source code to github. I’ve always hated using github because it’s so hard to navigate.

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If anybody ends up using this, please tell me what you think in this thread. I’d love to hear if people like it.

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Woah I wanted to add user created stuff to my game I will definitely give this a try ,thank you for open source it

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game modding is coming to Roblox :folded_hands:

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this is so nice ngl, i was waiting for such thing for a long time

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Did VirtualBlox get taken down @Humanagon? I wanted to see a prototype of this in action but the game link directs me to a 404 page.

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It hasn’t fortunately, but many users have been having trouble with this same 404 glitch for some reason… It’s like it’s shadow banned or something.

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i made this lol
planned to add scripting SUPPORT with this lol

W RESOURCE THX

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