UEAgent MCP Server

What is UEAgent?

MCP server for Unreal Engine 5, built into the editor. AI agents like Claude Code, Cursor and Codex create and edit Blueprints, materials, levels, Niagara, animation, UMG, PCG, Sequencer, GAS and Behavior Trees, with every change checked and read back.

How to use UEAgent?

Follow the repository README to install the server and add its MCP configuration to your client.

Key features of UEAgent

• The whole engine, not a demo. Blueprints and their graphs, materials, animation (AnimBP
• Verified, not assumed. An editor call that answers success: true proves nothing, so every
• preconditions refuse the calls known to crash or freeze the editor, and say what to do instead
• readback re-reads the state after the call, and reports as failed a write that did not stick
• Safe with your content. Every tool call is one undo step, named after the tool, so Ctrl+Z

Use cases of UEAgent

• Connect an MCP-compatible client to this repository's service.
• Review the README-backed setup before enabling it in production.