Players used browser extensions like Tampermonkey to automatically inject cheat scripts every time a specific Eaglercraft URL was loaded. This allowed for persistent configurations and auto-updating features. The Risks and Downsides of Using Eaglercraft Hacks
Some developers created dedicated .html files or modified JavaScript files that could be hosted locally, creating a custom "hacked" version of the game. 3. Early LiquidBounce for Eaglercraft eaglercraft hacks 188 2021
Set the ambient world lighting to maximum, eliminating the need for torches in dark caves. How Cheats Were Executed in Browser Environments eaglercraft hacks 188 2021