OpenJDK runtime support for opys — auto-installs an [Eclipse Temurin](https://adoptium.net) JDK and exposes `${java_home}` and `${java_bin}` as standardized vars so loader templates can reference a portable Java binary.
[](https://www.npmjs.com/package/@opys/minecraft-vanilla)
[](https://www.npmjs.com/package/@opys/cleanroom)
[](https://www.npmjs.com/package/@opys/lwjgl3ify)
[](https://www.npmjs.com/package/@opys/forge)
[](https://www.npmjs.com/package/@opys/dev)
[](https://www.npmjs.com/package/@opys/authliberty)
Java language support for the CodeMirror code editor
napi-rs binary binding for @opys/core. Not consumed directly — re-exported by @opys/core.
lezer-based Java grammar
Command-line interface for building and launching Minecraft client installations from declarative manifests.
[](https://www.npmjs.com/package/@opys/minecraft-serverlist)
Java Parser in JavaScript
napi-rs binary binding for @opys/core. Not consumed directly — re-exported by @opys/core.
Reads and interpolates Java .properties files
Java grammar for tree-sitter
napi-rs binary binding for @opys/runtime. Not consumed directly — re-exported by @opys/runtime.
Java dictionary for cspell.
[](https://www.npmjs.com/package/@opys/curseforge)
Prettier Java Plugin
napi-rs binary binding for @opys/core. Not consumed directly — re-exported by @opys/core.
napi-rs binary binding for @opys/runtime. Not consumed directly — re-exported by @opys/runtime.
Invoke JVM Lambda Package Locally
napi-rs binary binding for @opys/core. Not consumed directly — re-exported by @opys/core.