This is your reference when you're wiring up Roblox UI, whether it's a HUD overlay, a progress bar, or floating name tags above player heads. It covers the three container types (ScreenGui for 2D overlays, SurfaceGui for in-world screens, BillboardGui for 3D floating elements), walks through UDim2 sizing with scale versus offset, and shows TweenService patterns for animating menus and health bars. The common mistakes table is genuinely helpful: it catches the usual traps like ResetOnSpawn killing your GUI on respawn, forgetting TextScaled on mobile, and clicks passing through transparent frames. Good for both initial setup and debugging layout issues.
npx skills add https://github.com/sentinelcore/roblox-skills --skill roblox-gui