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    • V1.2.5 - UECopilot Changelog

    V1.2.5

    Release Date: 2026-06-24

    V1.2.5 official release is now available! (UE5.8 and above)

    Get UECopilot Now

    Added UE5.8 official MCP Server invocation support to UECopilot's MCP toolset. With UECopilot, users can directly call tools provided by the UE5.8 official MCP Server within UECopilot, without needing to set up an additional server.

    Enabling the Official MCP Server

    1. Open the Plugins manager.
    2. Search for the keyword "Toolset". These are all MCP Server-related plugins (enable them based on your needs; All Toolset enables all MCP Server-related plugins).
    Toolset
    1. In Editor Settings -> General -> Model Context Protocol, check "Auto Start Server" and "Enable Tool Search".
    mcpSettings
    1. Restart the UE5 editor for the settings to take effect.

    How to Call Official MCP Server Tools in UECopilot?

    Open the UECopilot chat window and click the "MCP" button. You will see the tools provided by the official UnrealEngine MCP Server displayed with a Running status.

    mcp3

    Disabling the UECopilot MCP Server

    Since UECopilot MCP tools overlap with the official MCP Server's functionality, we recommend disabling the Blueprint MCP Server feature in UECopilot to improve efficiency and avoid conflicts.

    mcp4

    Official MCP Server Toolset Overview

    UECopilot V1.2.5 integrates the official MCP Server with 52 tool sets, categorized into 8 major domains:

    1. Editor Core Tools

    SubcategoryCapability Summary
    Actor ToolsFind, modify, create, delete Actors and their components
    Scene ToolsLevel loading, Actor placement/deletion, sublevel management
    Asset ToolsAsset search, import, export, redirect, delete
    Object ToolsRuntime read/write of any UObject property
    Blueprint ToolsBlueprint node graph editing, variable/function operations
    Log ToolsRead editor logs, console output

    In a word: The core foundation of MCP, covering all basic editor operations.

    2. Animation & Cinematics

    ToolsetCapability Summary
    Control RigControl Rig asset creation, editing, control
    Sequencer SuiteSequence creation, keyframe animation, track management, binding
    FBX Import/ExportAnimation import/export as AnimSequence
    Skeletal MeshSkeletal mesh asset inspection and modification

    In a word: Covers the full animation pipeline from Control Rig assets to Sequence.

    3. Visual Effects & Procedural

    ToolsetCapability Summary
    Niagara (5 tools)System editing, component runtime, Blueprint integration, asset search
    PCG ToolsProcedural content generation graph building and spatial operations
    Material ToolsMaterial and material function creation/editing
    Material InstanceMaterial instance parameter modification
    Texture ToolsTexture asset creation and editing
    Static MeshStatic mesh creation and property modification

    In a word: Covers particles/VFX, procedural generation, materials/textures, and static meshes.

    4. Game AI & Logic

    ToolsetCapability Summary
    Behavior TreeBehaviorTree asset inspection
    State TreeStateTree asset and state inspection
    ConversationConversation graph structure inspection
    World ConditionsInspect world condition structs
    Gameplay CueInspect and execute GameplayCues
    Attribute SetDiscover attribute set classes and attributes
    Ability System InspectorRuntime inspection of AbilitySystemComponent

    In a word: Supports GAS, Behavior Tree, StateTree, and Conversation systems across multiple AI frameworks.

    5. UI & Testing

    ToolsetCapability Summary
    UMG ToolsAI-driven UMG Widget tree creation
    Slate InspectorSlate UI tree automation and inspection
    Automation TestingTest discovery and execution

    In a word: UI design (UMG) + UI debugging (Slate) + automated testing, full coverage.

    6. Data & Configuration

    ToolsetCapability Summary
    DataTable / CurveTable / StringTableTable asset creation, editing, row operations
    Data AssetData Asset creation and editing
    Data RegistryData Registry querying
    Semantic SearchCross-asset semantic search
    GameplayTagsTag creation and hierarchy management
    Config SettingsConfig layer read/write

    In a word: Structured data (tables/registries) + configuration + semantic search.

    7. Plugins & Project Management

    ToolsetCapability Summary
    Plugin ToolsPlugin creation, enabling, querying, editing
    Game FeaturesGame Feature plugin lifecycle management
    Editor App ToolsEditor state (Build, Play, mode, etc.) query and switching

    In a word: Plugin management + editor runtime state control.

    8. Specialized Capability Tools

    ToolsetCapability Summary
    Physics AssetsPhysics body/collision management
    Niagara (Specialized)5 toolsets forming a complete Niagara workflow
    DataflowDataflow graph node editing
    Sandbox PythonBatch Python script execution (sandbox mode)
    Agent SkillsManage AI Agent skill system

    In a word: Physics, Dataflow, sandbox scripting, Agent skills, and other specialized capabilities.