About Unity Ui MCP
Unity Ui MCP is an MCP server in the Gaming category: mCP Server plugin for Unity Editor that allows any AI (Claude, Gemini, ChatGPT) to create UI prefabs directly via Model Context Protocol. Give it a screenshot, get a prefab.
Install
git clone https://github.com/phucnguyen752/unity-ui-mcpThis server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.
Tools (9)
add_ui_elementAdd element to prefab hierarchy
Parameters not published.
build_ui_from_jsonBuild prefab from JSON layout (reads `vision_json.json`)
Parameters not published.
create_prefab_uiCreate prefab step-by-step (manual mode)
Parameters not published.
get_editor_configGet target screen resolution and clear old layout JSON
Parameters not published.
query_ui_hierarchyInspect current prefab structure
Parameters not published.
save_prefabSave prefab to disk
Parameters not published.
set_layout_groupAdd Horizontal/Vertical/Grid layout
Parameters not published.
set_rect_transformSet anchor, position, size
Parameters not published.
set_ui_styleSet color, font, sprite, PPUM
Parameters not published.
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