mcp-minecraft-1.3.1.jar is a release file of the Minecraft plugin DeveloperMCP, made for Minecraft 1.20.6, 1.21.2, 1.21, 1.21.3, 1.20.2, 1.21.8, 1.20, 1.20.4, 1.20.3-Snapshot, 1.21.4, 1.20.5, 1.21.5 and more. It was published on November 28, 2025 and is 7.8 MB in size. For the full description, screenshots and every other version, visit the DeveloperMCP plugin page.
How to install: Put the .jar into the plugins folder of your Paper, Spigot or Bukkit server and restart the server.
