An MCP server that lets an AI agent drive Unreal Engine 5: create projects, import assets, build levels and Blueprints, configure replication, compile C++, run Play In Editor and package the game.
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process.env. You'll be asked to provide them before it can run.UE_MCP_MAX_DOWNLOAD— 4 GiB Per-file download capUE_MCP_LIBRARY— ~/UnrealAssetLibrary Where downloaded assets landUE_MCP_HOST— / UE_MCP_PORT 127.0.0.1 / 30010 Remote Control endpointUE_MCP_PORT— "env": { "": "30010" }UE_MCP_TIMEOUT— 180 Per-call timeout in secondsUE_MCP_TRANSPORT— instead, with =remotecontrol.UE_MCP_STATE_DIRUE_MCP_ENGINE_DIRS— Extra folders to search for engine installsUE_ROOTUE_MCP_MULTICAST_GROUP— / _PORT 239.0.0.1 / 6766 Discovery endpoint for the native channelUE_MCP_MULTICAST_PORTUE_MCP_MULTICAST_BIND— 0.0.0.0 Interface the discovery ping goes out of — set it when several adapters (VPN, WSL, Hyper-V) hide the editorUE_MCP_MULTICAST_TTL— 0 Keeps discovery on this machine. Raising it exposes arbitrary code execution to the networkUE_MCP_COMMAND_HOSTUE_MCP_COMMAND_PORTUE_MCP_DISCOVERY_TIMEOUTUE_MCP_PROJECT— Which project to drive when several editors are openUE_MCP_MAX_SCREENSHOT[](https://m8ven.ai/mcp/ffzackfair92-unreal-engine-mcp-1e6sb4)