Jumper Language for VS Code

Support for Jumper in VS Code: scripts (.jmp), configs (.jmc) and access policies (.jma).

Highlighting, errors as you type, hover, completion, go to definition (into Java too). The language server is inside the extension.

Requires Java 21+ (JAVA_HOME or java on the PATH).

Install from VS Code Marketplace

1. Extensions view (Ctrl+Shift+X)
2. Search for Jumper Language
3. Install

Or from a terminal:

code --install-extension Padej.jumper-lang

Install from GitHub Releases

1. Download jumper-<version>.vsix from Releases
2. Extensions view - ... - Install from VSIX... - pick the file

Or from a terminal:

code --install-extension jumper-<version>.vsix

Settings

Setting	What
jumper.java	The java to run the server with. Empty - JAVA_HOME, then PATH
jumper.server.jar	Your own jmp.jar instead of the bundled one
jumper.server.jvmArgs	Extra JVM arguments, e.g. ["-Xmx512m"]