Unreal_mcp

Overview

Unreal_mcp is a comprehensive Model Context Protocol server that provides AI assistants with direct control over Unreal Engine 5.0-5.8. Built with TypeScript and C++, it offers extensive capabilities including asset management, actor control, animation systems, visual effects, and level operations. The server supports both native HTTP/SSE transport and WebSocket via TypeScript bridge, with features like dynamic type discovery, graceful degradation, command safety validation, and optional token-based authentication.

Try asking AI

After installing, here are 5 things you can ask your AI assistant:

• manage_asset

  Assets, Materials, Render Targets, Behavior Trees

  Try:Create a new material assetTry:List all texture assets in the projectTry:Duplicate a blueprint asset
• manage_blueprint

  Blueprints, SCS components, graph editing, UMG widgets, layout, bindings, animations

  Try:Create a new blueprint actorTry:Edit a blueprint graphTry:Add a widget to a blueprint UI
• control_actor

  Spawn, delete, transform, physics, tags

  Try:Spawn an actor at specific coordinatesTry:Delete all actors with tag 'enemy'Try:Apply force to an actor
• control_editor

  PIE, Camera, viewport, screenshots

  Try:Take a screenshot of the viewportTry:Set the editor camera positionTry:Start a PIE session
• manage_level

  Load/save, streaming, lighting

  Try:Save the current levelTry:Load a level by nameTry:Change lighting settings for the level
• system_control

  UBT, Tests, Logs, Project Settings, CVars, Python Execution

  Try:Run unit tests in the projectTry:Set a console variableTry:Execute Python script in the editor
• inspect

  Object Introspection

  Try:Get properties of selected actorTry:Inspect component detailsTry:Check level streaming status
• manage_tools

  Dynamic tool management (enable/disable at runtime)

  Try:List available toolsTry:Enable animation toolsTry:Disable debug tools
• build_environment

  Landscapes, foliage, procedural terrain, lighting, spline roads/rivers/fences

  Try:Add foliage to the landscapeTry:Create a procedural terrainTry:Place a spline road
• manage_level_structure

  Levels, sublevels, World Partition, streaming, data layers, HLOD, volumes

  Try:Create a new sublevelTry:Configure World Partition settingsTry:Add a streaming volume
• manage_geometry

  Procedural mesh creation and editing with Geometry Script

  Try:Create a procedural meshTry:Edit mesh verticesTry:Apply geometry script to an actor
• animation_physics

  Animation BPs, skeletons, sockets, physics assets, cloth, vehicles, ragdolls, Control Rig, IK

  Try:Create a new animation blueprintTry:Set up ragdoll physicsTry:Control character IK bones

Comparable tools

Installation

{
  "mcpServers": {
    "unreal-engine": {
      "type": "url",
      "url": "http://localhost:3000/mcp"
    }
  }
}

FAQ

Does this work with Blueprint-only projects?

Yes, using pre-built plugin binaries. The plugin can be installed without compilation, making it compatible with Blueprint-only projects.

Can I use this for network rendering?

Yes, by setting MCP_AUTOMATION_ALLOW_NON_LOOPBACK=true and enabling capability token authentication for secure remote access.

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