Blueprint Stack Documentation
Blueprint Stack is an Unreal Engine 5.4+ editor plugin that bridges AI coding agents to the Unreal Editor. Connect to Claude Code, Codex, or your own custom agent -- then use 48 editor tools across 11 categories to create Blueprints, manipulate assets, generate materials, and more -- all through natural language.
What you can do
- -48 editor tools across 11 categories: Blueprint, Animation, Data, Material/VFX, AI/Gameplay, Pose/Sequencer, Level, Data Table, Utility, Generation, and Play
- -Built-in Claude Code and Codex (OpenAI) agents with support for custom agent integrations
- -Built-in MCP server (JSON-RPC over HTTP, default port 9315) for external tool access
- -Context attachments -- attach Blueprint nodes, assets, and images directly to prompts
- -Multi-session chat interface supporting up to 8 concurrent sessions with persistent history
- -Image generation via DALL-E and 3D model generation via Meshy AI, imported as UE assets
- -Create and edit Blueprints, graphs, variables, materials, animations, and data tables via natural language
- Unreal Engine 5.4+
- Windows (Win64), macOS, and Linux
- Editor-only -- not included in packaged builds
Get Started
Getting Started
Install the plugin, configure your first agent, and run your first prompt in the editor.
Supported Agents
Setup guides for the built-in Claude Code and Codex agents, plus how to connect custom agents.
Tools Reference
Browse all 48 editor tools across 11 categories that agents can call to manipulate Blueprints, assets, and more.
Troubleshooting
Fix common issues with agent connections, MCP server configuration, and editor integration.