Therefore, standard Forge or Fabric mods are incompatible. Eaglercraft requires mods specifically ported or rewritten in JavaScript to function in the browser.
This guide covers how mods work in Eaglercraft 1.8, the types of mods available, and how to install them safely. eaglercraft 1.8 mods
Some mods may require a quick refresh of the browser page to activate. Advanced Modding and Customization Therefore, standard Forge or Fabric mods are incompatible