Skillget

rbxdev-ls

mcp
Guvenlik Denetimi
Basarisiz
Health Gecti
  • License — License: MIT
  • Description — Repository has a description
  • Active repo — Last push 0 days ago
  • Community trust — 15 GitHub stars
Code Basarisiz
  • rm -rf — Recursive force deletion command in .github/workflows/publish-github-packages.yml
  • fs module — File system access in .github/workflows/publish-github-packages.yml
  • fs module — File system access in .github/workflows/publish-mcp.yml
Permissions Gecti
  • Permissions — No dangerous permissions requested
Purpose
This tool is a Luau language server and VS Code extension for Roblox development that provides strict type checking, smart completions, and live-game tooling via a local WebSocket executor bridge.

Security Assessment
The tool poses a Medium security risk depending on how it is used. While it does not request dangerous account permissions or contain hardcoded secrets, its core features involve significant trust boundaries. The executor bridge works by instructing users to fetch and run a raw Lua script directly from GitHub into their game environment via `loadstring`. This mechanism inherently introduces a remote code execution vector; if the repository is compromised, malicious code could be executed in the user's game. Additionally, the bridge makes local network requests (`ws://127.0.0.1:21324`) to communicate between the game and the extension. The automated scan flagged a recursive force deletion command (`rm -rf`) within the GitHub Actions CI/CD workflows, but this appears to be a standard cleanup step during the publishing process rather than a risk to end-users.

Quality Assessment
The project is actively maintained, with its most recent push occurring today. It is openly licensed under the standard MIT license. Community trust is currently quite small, sitting at 15 GitHub stars, but it successfully meets the baseline health requirements for an open-source project.

Verdict
Use with caution—while the extension itself is a standard IDE tool, executing the live-game bridge requires trusting the maintainer's repository to remain secure against supply-chain attacks.
SUMMARY

Luau language server and VS Code extension for Roblox, with strict type checking, smart completions, and optional live-game tooling via an executor bridge.

README.md

rbxdev-ls logo

rbxdev-ls

rbxdev-ls is a Luau language server and VS Code extension for Roblox development.
It gives you fast editor tooling, strict type checking, and optional live-game tooling through an executor bridge.

VS Code Marketplace
Open VSX
License

Install

What It Includes

Language Server Features

  • Roblox API completions and hover docs
  • Luau type checking (--!strict, --!nonstrict, --!nocheck)
  • Go to definition, find references, rename, document symbols
  • Signature help, inlay hints, semantic tokens
  • Auto-import suggestions from workspace modules
  • Formatting support

Live Roblox Features (Bridge Required)

  • Game Tree explorer in the side bar
  • Properties panel for the selected instance
  • Execute current file or selection in-game
  • Bundle and execute multi-file code
  • Remote Spy utilities and quick-copy commands
  • Actions like teleport, create/clone/delete/reparent, save instance/game

MCP / AI Integration

  • Built-in language model tools exposed by the extension
  • Standalone @oneshot101/rbxdev-mcp package for MCP-compatible clients
  • Works with the same bridge connection as the extension

Default Shortcuts

  • Ctrl+Shift+E: execute current file
  • Ctrl+Shift+Alt+E: execute current selection
  • Ctrl+Alt+E: bundle and execute
  • Ctrl+Shift+R: copy last Remote Spy call
  • Ctrl+Shift+Alt+R: insert last Remote Spy call
  • Ctrl+Alt+C: quick copy last Remote Spy call

Quick Start

  1. Install the extension from VS Code Marketplace or Open VSX.
  2. Open a folder with .luau or .lua files.
  3. Start writing Luau with type checking and completions enabled.

Example:

--!strict

local Players = game:GetService("Players")
local localPlayer = Players.LocalPlayer
local character = localPlayer.Character or localPlayer.CharacterAdded:Wait()

Executor Bridge Setup

To enable live game features, run this in your executor auto-execute:

loadstring(game:HttpGetAsync('https://raw.githubusercontent.com/0neShot101/rbxdev-ls/main/scripts/executor-bridge.lua'))()

Default bridge port: 21324
You can change it with the setting rbxdev-ls.executorBridge.port.

Optional custom bridge config:

loadstring(game:HttpGetAsync('https://raw.githubusercontent.com/0neShot101/rbxdev-ls/main/scripts/executor-bridge.lua'))({
    host = 'ws://127.0.0.1:21324';
    reconnectDelay = 5;
    firstConnectDepth = 999;
    updateTreeDepth = 2;
    expandedTreeDepth = 2;
})

MCP Setup (Standalone)

If you want MCP tools in external clients (Claude Code, Cursor, etc.), add:

{
  "mcpServers": {
    "rbxdev-roblox": {
      "command": "npx",
      "args": ["-y", "@oneshot101/rbxdev-mcp"]
    }
  }
}

Notes:

  • Requires Node.js 18+
  • Uses port 21324 by default
  • If the VS Code extension is already running, MCP can connect through it as a proxy

Extension Settings

Common settings:

  • rbxdev-ls.typeCheckMode: strict, nonstrict, or nocheck
  • rbxdev-ls.enableSuncApi: enable/disable Sunc API definitions
  • rbxdev-ls.executorBridge.port: WebSocket port for bridge connections
  • rbxdev-ls.mcp.enabled: enable/disable built-in MCP server integration
  • rbxdev-ls.bundler.path: custom luau-bundle path
  • rbxdev-ls.debugLogs: verbose extension logging

Development

Prerequisites:

  • Bun >= 1.0.0
  • Node.js >= 18 (for MCP package workflows)

Install dependencies:

bun install
cd vscode && bun install

Common commands (repo root):

bun run build         # Build language server
bun run build:mcp     # Build MCP server entry
bun run build:all     # Build server + MCP + studio plugin assets
bun run test          # Run test suite
bun run type-check    # TypeScript checks
bun run lint:check    # ESLint (no fixes)
bun run format:check  # Prettier check
bun run fetch-api     # Update Roblox API data
bun run build:vsix    # Build VSIX package
bun run build:beta    # Build beta VSIX package
bun run build:studio  # Build Roblox Studio plugin artifacts

Package VS Code extension directly:

cd vscode
bun run package

Repository Layout

src/
  @core/         LSP server and connection setup
  @lsp/          Language server handlers
  @parser/       Luau lexer/parser/doc comments
  @typings/      Type system and checker
  @definitions/  Roblox, stdlib, and executor definitions
  @workspace/    Workspace and Rojo integration
  @executor/     Bridge protocol and runtime state
  @mcp/          MCP server implementation

vscode/          VS Code extension source and packaging
packages/rbxdev-mcp/  Standalone MCP npm package
scripts/         Build and maintenance scripts
studio-plugin/   Roblox Studio plugin source
tests/           Unit and integration tests

Contributing

Issues and pull requests are welcome.
If you add behavior, include or update tests in tests/.

License

MIT. See LICENSE.

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