Are you trying to or just join an existing one? Eaglercraft Server Hosting: Fast Setup (2026) | Sealos Blog
To login to an Eaglercraft server, you typically use in-game chat commands because Eaglercraft clients do not use official Mojang authentication. Most servers require you to register a password the first time you join to protect your username. 1. Register (First Time Only)
If you have already registered this username on the server in the past, you must unlock your session. Open the chat window by pressing or / . Type the login command: /login [your_saved_password] Example: /login MySecretPass123 Press Enter to authenticate and load your inventory. Common Login Troubleshooting Fixes Error: "Username Already Taken"
Eaglercraft utilizes WebSocket protocols ( ws:// or wss:// ) instead of standard Minecraft TCP sockets to connect to servers.