portablemc

portablemc *command* [*options*] [*args*]

portablemc is a cross-platform command-line utility for installing and launching Minecraft quickly and reliably. It supports official Mojang versions and installs popular mod loaders seamlessly, including Forge, NeoForge, Fabric, Quilt, LegacyFabric, and Babric.It can run offline or with a Microsoft account, browse supported versions, download game files in parallel, locate a compatible system Java runtime (falling back to Mojang-provided runtimes when needed), and apply known launch fixes. Output verbosity and machine-readable modes are available for scripting.Install via release binaries, cargo install portablemc-cli, AUR packages (portablemc / portablemc-bin), or nixpkgs.

start [*version*]

Install (if needed) and launch a game version. \-u sets the username; \-a uses an authenticated account. See portablemc start --help for JVM, directory, and loader options.

List or search supported versions. --channel filters (for example release); -l limits result count.

Authenticate a Microsoft account for online play.

List stored authenticated accounts.

Online play requires a valid Microsoft account flow. Some unsupported architectures may need extra flags. Mod loader installs depend on upstream loader availability. Network access is required for first-time downloads.

java(1), minecraft(1)

Source code · Documentation