dissering/roblox-executor-mcp

MCP server for interacting with Roblox game clients

About roblox-executor-mcp

An MCP server that allows Agents to interact with a running Roblox game client — execute code, inspect scripts, spy on remotes, and more.

Roblox Executor MCP includes a local web dashboard at:

Use it to see connected Roblox clients, inspect scripts, run tools, view server logs, configure semantic search, and index games for semantic script search.

- Code Execution — Run Lua code and fetch data from the game client. - Script Inspection — Decompile scripts and search across all sources. - Instance Search — CSS-like selectors and hierarchy trees. - Remote Spy — Intercept, log, block, and ignore Remotes/Bindables via Cobalt. - GUI Interaction — Click buttons and type into text boxes. - Screenshot — Capture Roblox window screenshots (Windows only). - Multi-Client — Connect multiple Roblox clients at once. - Primary / Secondary — Multiple MCP instances auto-coordinate with automatic promotion. Supports remote relaying via --baseurl. See Advanced.

- Node.js ≥ 18 - Bun ≥ 1.3 for the interactive OpenTUI harness installer - A Roblox executor that supports loadstring, request, and (preferably) WebSocket

The installer builds the server, lets you choose AI clients, writes supported MCP configs, and prints the Roblox loader script.

The normal server build consumes the committed connector.luau artifact, so harness installs do not require Darklua. Connector developers can install the pinned tool with rokit install, edit connector-src/, and regenerate the artifact with npm run build:connector.

From the project README.

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