Editor-only C++ plugin for Unreal Engine 5.8 on Windows. Dependencies: Epic Games Mutable, Toolset Registry and Model Context Protocol engine plugins. Enable the native MCP server to expose the toolset. An HTTP MCP-compatible client is required.

Features: create and save Customizable Objects and instances; edit graph nodes and connections; configure child-object groups; compile with diagnostics; read and set instance parameters; render object and instance previews; inspect texture channels.

Contents: human-readable C++ source, plugin descriptor, configuration, README, detailed installation and usage documentation, AI agent handoff and release notes. No prebuilt binaries, generated intermediates, Blueprint assets or runtime modules are included.

Free setup and usage documentation: https://github.com/ITemre/MutableGraphToolset#readme

Support: https://github.com/ITemre/MutableGraphToolset/issues

Fab purchases use the Fab Standard License.

Limitations: Windows and UE 5.8 only. Mutable macro-library graphs and multidimensional parameters are not supported in version 1.0.

Corivo

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