Ruby Fast LSP

High-performance Ruby Language Server written in Rust, delivering fast code navigation, syntax highlighting, and intelligent code insights for Ruby developers.

Features

• Syntax highlighting
• Inlay Hints
• Go to definition
  • Modules (Done 🎉)
  • Classes (Done 🎉)
  • Constants (Done 🎉)
  • Methods (Partial Support)
• Find references
  • Modules (Done 🎉)
  • Classes (Done 🎉)
  • Constants (Done 🎉)
  • Methods (Work in Progress)

TODO

• Run/Debug support
• Gem file support
• Type checker
• Code completion
• Hover information
• Error checking
• Diagnostics
• Meta programming

Usage

1. Install the extension
2. Open a Ruby file
3. The LSP will automatically start and provide language features

Requirements

No additional requirements. The extension includes the language server binary.

Extension Settings

This extension doesn't require any specific settings.

Known Issues

Please report issues on the GitHub repository.

Release Notes

2025.24.0

Initial release of Ruby Fast LSP.