Supported platforms

Minecraft server platforms

Platform	Server download source	Content browser	CatalystAnalytics	Notes
Paper	PaperMC API	Modrinth plugins	Yes	Recommended for most plugin-based servers.
Purpur	Purpur downloads	Modrinth plugins	Yes	Paper-compatible with Purpur features.
Fabric	Fabric meta API	Modrinth mods	No bundled plugin	Uses Fabric loader and installer metadata.
Vanilla	Mojang Piston manifest	None	No	Clean Mojang server JARs.

Catalyst’s active server creation UI supports Paper, Purpur, Fabric, and Vanilla.

Minecraft versions

The version selector covers modern releases and older releases back to 1.7.10. The Java version mapping is automatic and based on the selected Minecraft version.

Java runtimes

See how Catalyst selects Java 8, 11, 17, or 21.

Desktop packaging

Target	Status in project configuration
Windows	Primary packaged installer through electron-builder NSIS.
macOS	electron-builder target and entitlement files exist for development packaging.
Linux	AppImage, snap, and deb targets are configured, but public support may lag the Windows release flow.

Runtime integrations

Integration	Required for	Optional?
Modrinth API	Plugin and mod search/install/update	Yes
Adoptium API	Managed Java runtime downloads	Yes if a compatible Java is already installed
ngrok	Public TCP tunnels	Yes
GitHub releases API	Update checks	Yes
OpenAI-compatible API	AI assistant	Yes

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Supported platforms

Minecraft server platforms

Minecraft versions

Java runtimes

Desktop packaging

Runtime integrations

​Minecraft server platforms

​Minecraft versions

Java runtimes

​Desktop packaging

​Runtime integrations

Minecraft server platforms

Minecraft versions

Desktop packaging

Runtime integrations