Roblox Executor MCP
Provides tools for interacting with a running Roblox client, including executing Luau code, decompiling and searching scripts, spying on remotes, exploring the data model, automating UI, and capturing screenshots.
Click on "Install Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type
@followed by the MCP server name and your instructions, e.g., "@Roblox Executor MCPexecute Luau to list all players and their health"
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
Roblox Executor MCP + Vyre Dashboard
An MCP server that lets AI agents drive a running Roblox client — execute Luau, decompile and search scripts, spy on remotes, walk the datamodel, automate the UI, and more — with Vyre, a modern local web dashboard on top.
The upstream project went offline, so this is a maintained, installable distribution. Same engine, a fully redesigned dashboard, and new tools. MIT-licensed (see LICENSE).
Vyre dashboard
Served locally at http://localhost:16384/ once the server is running.


Dashboard highlights
Floating dock navigation + ⌘K command palette with grouped, highlighted results.
Mission-control overview — hero client card, uptime ring, live stat tiles, quick actions, activity ticker.
Live relay topology — animated MCP-core network graph with flowing packets and clickable client nodes.
Studio-style Scripts Explorer — services → folders → scripts tree with a syntax-highlighted source viewer, plus the classic Scripts Synced / Semantic Index progress panels.
Grouped logs — Activity vs System, level filters, search, and duplicate collapsing.
Embedding settings — OpenAI / Ollama, save / test / clear, and a "Suggest for my machine" button that reads your GPU and recommends a local model.
Six color themes, real player headshots, latency chip, snapshot export, and a demo mode.
Related MCP server: Roblox Studio MCP Server
MCP features
Code execution — run Luau and fetch data from the game client.
Script inspection — decompile scripts,
script-grep, and semantic (meaning-based) search.Instance search — CSS-like selectors and descendant trees.
Remote spy — intercept, log, block, and ignore Remotes/Bindables (via Cobalt).
UI + input automation — click by text, fire ClickDetectors/ProximityPrompts, type, move the camera, path the character.
Screenshots — capture the Roblox window (Windows only).
Multi-client — connect several Roblox clients; primary/secondary instances auto-coordinate and can relay over a LAN with
--baseurl.~150 convenience tools on top of the raw channel, plus the new intel tools below.
New tools
Tool | What it returns |
| A player's HumanoidDescription — body colors, scales, clothing, worn accessories |
| Descendants grouped by ClassName under a root, largest-first |
| Other players sorted by distance, with health and team |
| Currently playing Sounds with volume, live loudness, and path |
| Animation tracks playing on a player, with id, weight, speed, loop |
| First instance hit by a ray from the camera — name, class, distance, material |
Prerequisites
Node.js ≥ 18
Bun ≥ 1.3 for the interactive harness installer (auto-installed if missing)
A Roblox executor with
loadstring,request, and preferablyWebSocket
Quick start
1. Clone
git clone https://github.com/dedankschool-oss/roblox-executor-mcp.git
cd roblox-executor-mcp2. Install into your AI client
The harness installer builds the server, lets you pick AI clients, writes their MCP configs, and prints the Roblox loader.
npm run install:harnessesTrouble with the interactive picker? Use the plain prompt:
npm run install:harnesses -- --plainIt can also drop the loader into a detected executor autoexec folder:
npm run getscript -- --autoexecUpdate an existing install later (stops running server processes, optionally pulls, always rebuilds):
npm run updateManual setup
Prefer to wire a client yourself? See the guide for your client:
Client | Guide |
Cursor | |
Claude Desktop | |
Claude Code | |
Codex CLI | |
Windsurf | |
Antigravity |
Or run it directly:
npm run build
npm start3. Connect from Roblox
Paste this into your executor (or Auto Execute):
local bridgeUrl = getgenv().BridgeURL or "localhost:16384"
loadstring(game:HttpGet("http://" .. bridgeUrl .. "/script.luau"))()Optional settings (set before the loadstring):
getgenv().BridgeURL = "10.0.0.4:16384" -- default: localhost:16384
getgenv().DisableWebSocket = true -- force HTTP polling
getgenv().DisableInitialScriptDecompMapping = true -- skip initial decompilationThen open the dashboard at http://localhost:16384/.
Semantic search & embeddings
Semantic search turns decompiled scripts into vectors so you can search by meaning ("how does data saving work") instead of exact text. Pick a provider in Settings → Embedding Provider:
OpenAI (
text-embedding-3-small) — cloud, needs an API key, no local compute.Ollama — runs locally on your GPU, free and private.
For a decent GPU, local Ollama is great. Recommended models:
Model | Notes |
| Highest quality; ideal if you have a dedicated GPU |
| Fast, excellent for code; light on VRAM |
| Newer Google model; solid all-rounder |
ollama pull mxbai-embed-largeThe dashboard's "Suggest for my machine" button detects your GPU and picks a model for you.
Security
This server allows arbitrary code execution. Only use it with AI clients you trust. Port
16384has no authentication — never expose it to the internet. For cross-machine setups use a LAN, VPN, or SSH tunnel. See Advanced.
License
MIT. The original engine is MIT-licensed; that notice is retained in LICENSE.
This server cannot be installed
Maintenance
Resources
Unclaimed servers have limited discoverability.
Looking for Admin?
If you are the server author, to access and configure the admin panel.
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