FAQ: Vibe Blocks MCP for Roblox Studio

Q: What is Vibe Blocks MCP? A: Vibe Blocks MCP connects Roblox Studio to AI coding editors via the Model Context Protocol (MCP), enabling AI-assisted game development.

Q: What is MCP (Model Context Protocol)? A: MCP is an open protocol standardizing how applications provide context to LLMs, allowing AI models to interact with external data sources and tools.

Q: What are the prerequisites for using Vibe Blocks MCP? A: You need Python >= 3.10, uv package manager, Roblox Studio, and optionally, a Roblox API Key for Open Cloud features.

Q: How do I install the Companion Plugin in Roblox Studio? A: Install Rojo, build the plugin, and move the generated .rbxm file into your Roblox Studio plugins folder.

Q: How do I connect my MCP client (e.g., Cursor) to Vibe Blocks MCP? A: Configure your MCP client with the SSE URL: http://localhost:8000/sse.

Q: What if the Python server is not starting? A: Verify Python and uv installation, check the terminal for error messages, and ensure dependencies are installed.

Q: What if the Companion Plugin is not connecting? A: Confirm the Python server is running, double-check the SERVER_URL in the Lua plugin script, and check Studio’s Output window for errors.

Q: What can I do with the Studio Plugin Tools? A: You can manipulate the Studio scene, inspect objects, create/edit/delete scripts, control the environment, spawn NPCs, play animations, execute Luau code, and more.

Q: What can I do with the Open Cloud API Tools? A: You can execute Luau code in the cloud, manage DataStores, upload assets, publish places, and more (requires API Key).

Q: Do I need an API Key to use Vibe Blocks MCP? A: An API key is only needed if you plan to use the Open Cloud API Tools.

Q: Where can I find my Roblox API Key, Universe ID, and Place ID? A: You can find them in the Roblox Creator Dashboard under Credentials.

Q: What should I do if the Cloud Tools are failing? A: Verify the .env file is configured with valid credentials and that your API key has the necessary permissions.

Q: Can I use Vibe Blocks MCP with other AI coding editors besides Cursor and Windsurf? A: Yes, you can use it with any AI client that supports the Model Context Protocol (MCP) via Server-Sent Events (SSE).

Q: Where can I find the Vibe Blocks MCP repository? A: You can find it on GitHub.

Q: How do I update the plugin to the latest version? A: Pull the latest changes from the GitHub repository and rebuild the plugin using Rojo.

Q: Is Vibe Blocks MCP free to use? A: Yes, Vibe Blocks MCP is an open-source project and is free to use.