jdtls-lsp

Java language server (Eclipse JDT.LS) for Claude Code, providing code intelligence and refactoring.

Supported Extensions

.java

Installation

Via Homebrew (macOS)

brew install jdtls

Via package manager (Linux)

# Arch Linux (AUR)
yay -S jdtls

# Other distros: manual installation required

Manual Installation

Download from Eclipse JDT.LS releases
Extract to a directory (e.g., ~/.local/share/jdtls)
Create a wrapper script named jdtls in your PATH

Requirements

Java 17 or later (JDK, not just JRE)

More Information

Eclipse JDT.LS GitHub
VSCode Java Extension (uses JDT.LS)