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The WorldBLD MCP is recommended for anyone using Unreal MCP. It adds WorldBLD specific toolsets and instructs AI agents on how to do things like create custom WorldBLD/CityBLD/RoadBLD presets, generate WorldBLD content, and more.

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Prerequisites

Don’t download the MCP until you’ve looked over this checklist.

  1. Unreal Engine 5.8.3
  2. CityBLD, TwinBLD, RoadBLD and WorldBLD plugins installed and working.
  3. An AI assistant connected to Unreal, and the Unreal MCP plugin enabled. See a quickstart below by Michael Shaders. The MCP will refuse to download if the Unreal MCP plugin is not enabled.

https://www.youtube.com/watch?v=f8qda6K089s

First steps

  1. Ask your AI assistant to use the WorldBLD tools in its next task, and confirm the tool calls you see are from the new toolset.

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  2. Try some of the example prompts in the MCP toolbar!

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How To Use All The Toolsets

Here are instructions for each toolset.

Using RoadBLD MCP With Claude/ChatGPT

Using CityBLD MCP With Claude/ChatGPT