How do I connect Unreal MCP Server to Claude?

Run `claude mcp add ivanmurzak-unreal-mcp -- npx -y unreal-mcp-cli` in Claude Code, or add the same command and arguments under mcpServers in Cursor's mcp.json or Claude Desktop's claude_desktop_config.json, then restart the client. The blocks above are ready to paste.

Is Unreal MCP Server free?

The listed licence is Apache-2.0. Check the upstream terms for permitted use and commercial requirements; a public repository does not by itself mean the software is free or open source. Connected APIs and hosted services may have separate charges.

What can Unreal MCP Server do?

Unreal MCP Server documents 40 tools to the agent, including actor-component-add, actor-component-destroy, actor-component-get. The descriptions above come from project documentation. A live handshake does not test individual tool behavior.

Unreal MCP

Unclaimed

by IvanMurzak

AI Game Developer for Unreal Engine — MCP plugin (C++ editor plugin + .NET bridge), unreal-cli, connects Unreal Editor to AI agents via ai-game.dev or a local MCP server

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01 / Choose your client

02 / Before you connect

Authentication is not specified. Check the project instructions before connecting.

Install the runtime required by the project and make it available to your client.

Project instructionsEnvironment variable names (optional)

Use names from the project instructions, separated by commas. Enter names only, never secret values.

03 / Add the configuration

Source: generated from public install instructions

claude mcp add --transport stdio 'ivanmurzak-unreal-mcp' -- 'npx' '-y' 'unreal-mcp-cli'

Run in your terminal after replacing any placeholders.

04 / Check it in your client

Open your client’s MCP settings and confirm the server connects and lists its tools. A copied configuration does not confirm a working connection.

aiai-integrationai-toolsanthropicclaudeclaude-codeclaude-desktopclicopilotdeepseekgame-developmentgamedevgeminimcpmcp-serveropenaiunrealunreal-engine

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40 of 40 tools

Documented tools (40)

From project documentation. A server handshake does not verify each tool’s description or behavior.

actor-component-add

Add a component to an actor

actor-component-destroy

Destroy a component

actor-component-get

Read a component's data

actor-component-list-all

List available UActorComponent classes (paginated)

actor-component-modify

Modify a component's properties

actor-create

Spawn an actor from a class path (native or Blueprint), with optional name/location/rotation/parent

actor-destroy

Destroy an actor

actor-duplicate

Duplicate an actor

actor-find

Find actors, with scoped reads (paths/viewQuery)

actor-modify

Write actor FProperty values (including transform)

actor-set-parent

Attach an actor to a parent

asset-copy

Copy an asset

asset-create-folder

Create a Content folder

asset-delete

Delete an asset

asset-find

Search the AssetRegistry by name/class/path/tags

asset-get-data

Read an asset's data (scoped reads supported)

asset-import

Import FBX/textures via AssetImportTask

asset-material-create

Create a Material Instance from a parent material

asset-material-get-data

Read material graph/parameter info (the "shader" analog)

asset-material-modify

Set scalar/vector/texture material-instance parameters

asset-move

Move / rename an asset

asset-refresh

Rescan asset paths

blueprint-add-component

Add a component via the Simple Construction Script

blueprint-add-event

Add/bind an event stub (BeginPlay, Tick, input, …)

blueprint-add-function

Add a function stub (entry/result nodes wired)

blueprint-add-variable

Add a typed member variable

blueprint-compile

Compile the Blueprint and return a structured error/warning list (the AI feedback loop)

blueprint-create

Create a new Blueprint class from a parent UClass path

blueprint-get

Graph summary for LLM inspection (variables, components, functions/events, parent chain)

blueprint-modify-variable

Modify a member variable

blueprint-remove-component

Remove an SCS component

blueprint-set-default

Edit a CDO (class-default) property

blueprint-spawn

Instance the Blueprint into the current level

console-get-logs

Read recent editor logs from the LogCollector ring buffer

editor-application-get-state

Read editor application state (PIE, etc.)

editor-application-set-state

Start / stop / pause Play-In-Editor

editor-selection-get

Read the current editor selection

editor-selection-set

Set the editor selection

object-get-data

Read any UObject by path

object-modify

Modify any UObject by path

Tool change history

Compared across complete checks of the same configuration. Tools were listed, not invoked. Input-schema changes are not measured here.

No complete tool checks yet.

FAQ

Questions about Unreal MCP Server

How do I connect Unreal MCP Server to Claude?: Run `claude mcp add ivanmurzak-unreal-mcp -- npx -y unreal-mcp-cli` in Claude Code, or add the same command and arguments under mcpServers in Cursor's mcp.json or Claude Desktop's claude_desktop_config.json, then restart the client. The blocks above are ready to paste.
Is Unreal MCP Server free?: The listed licence is Apache-2.0. Check the upstream terms for permitted use and commercial requirements; a public repository does not by itself mean the software is free or open source. Connected APIs and hosted services may have separate charges.
What can Unreal MCP Server do?: Unreal MCP Server documents 40 tools to the agent, including actor-component-add, actor-component-destroy, actor-component-get. The descriptions above come from project documentation. A live handshake does not test individual tool behavior.