Don't add NebulaAPI dll to your Thunderstore archive. Add Nebula Compatible tag to inform user that this mod is compatible with multiplayer mod. Although not recommended, but if you're using NebulaAPI ...

This is a basic implementation of a modding API that allows mods to register themselves as listeners for events. Those events are then sent to all mods that were loaded. Data from the event is passed ...

Mojang has hired the server-mod making Bukkit team to help build an official API (application programming interface) for the Minecraft community. "Today we can announce that the four main developers ...