Open Source — UMG MCP

Architecture

How It Works

The open source version uses MCP (Model Context Protocol) to bridge your AI client with UE5.

40+ MCP Tools

Complete API Reference

Every API is exposed as an MCP tool — call them from any MCP-compatible AI client.

Widget API

Widget Creation & Layout

create_widget

delete_widget

get_widget_info

set_widget_property

list_widgets

move_widget

resize_widget

set_slot_property

add_widget_to_canvas

create_widget_hierarchy

set_widget_visibility

clone_widget

Blueprint API

Blueprint & Logic

add_blueprint_variable

set_blueprint_variable

get_blueprint_variables

bind_widget_to_variable

add_event_binding

compile_blueprint

get_blueprint_functions

add_blueprint_function

Animation API

Animation & Sequencer

create_animation

add_animation_track

add_keyframe

set_animation_length

play_animation

list_animations

delete_animation

set_loop_animation

Material API

Materials & HLSL

create_material

set_material_parameter

add_material_node

set_hlsl_expression

apply_material_to_widget

get_material_info

create_material_instance

compile_material

Editor API

Editor Utilities

save_asset

open_asset

get_project_info

list_assets

create_folder

import_texture

set_editor_focus

undo_action

Quick Start

Get Running in Minutes

1

Install the Plugin

Clone the repository and copy the plugin to your UE5 project's Plugins/ folder.

bash

git clone https://github.com/winyunq/UnrealMotionGraphicsMCP.git
cp -r UnrealMotionGraphicsMCP/Source MyProject/Plugins/UmgMcp

2

Enable the Plugin in UE5

Open your project in UE5, go to Edit → Plugins, search for "UMG MCP", and enable it. Restart the editor.

3

Start the MCP Server

Run the Python MCP server included in the Scripts/ directory.