: The official Mojang server software. You can find legacy files on archival sites like MCVersions.net .
For , the "Paper" server software (formerly PaperSpigot) does not exist . The PaperMC project was launched in June 2014, roughly two years after the 1.3.1 release. The earliest available version of Paper typically begins around Minecraft 1.6.4 or 1.8.8. server mainkraft 1 3 1 skachat
To run a server for version 1.3.1, you should use the software available at that time: : The official Mojang server software
: If you want to use plugins, CraftBukkit was the primary software for this era. server mainkraft 1 3 1 skachat
: The eula.txt requirement was added in later versions (1.7.10+). For 1.3.1, the server should generate its files and start immediately without this step.