EngineWire: drive the Unreal Editor (UE 5.0-5.8): levels, Blueprints, UI, materials, VFX and more.
Connect Runs on your machine
claude mcp add unreal-engine-mcp -e UE_PROJECT_PATH=<UE_PROJECT_PATH> -e MCP_AUTOMATION_CAPABILITY_TOKEN=<MCP_AUTOMATION_CAPABILITY_TOKEN> -e UNREAL_MCP_URL=<UNREAL_MCP_URL> -e LOG_LEVEL=<LOG_LEVEL> -- npx -y [email protected]{
"mcpServers": {
"unreal-engine-mcp": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"UE_PROJECT_PATH": "<UE_PROJECT_PATH>",
"MCP_AUTOMATION_CAPABILITY_TOKEN": "<MCP_AUTOMATION_CAPABILITY_TOKEN>",
"UNREAL_MCP_URL": "<UNREAL_MCP_URL>",
"LOG_LEVEL": "<LOG_LEVEL>"
}
}
}
}{
"mcpServers": {
"unreal-engine-mcp": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"UE_PROJECT_PATH": "<UE_PROJECT_PATH>",
"MCP_AUTOMATION_CAPABILITY_TOKEN": "<MCP_AUTOMATION_CAPABILITY_TOKEN>",
"UNREAL_MCP_URL": "<UNREAL_MCP_URL>",
"LOG_LEVEL": "<LOG_LEVEL>"
}
}
}
}{
"servers": {
"unreal-engine-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"UE_PROJECT_PATH": "<UE_PROJECT_PATH>",
"MCP_AUTOMATION_CAPABILITY_TOKEN": "<MCP_AUTOMATION_CAPABILITY_TOKEN>",
"UNREAL_MCP_URL": "<UNREAL_MCP_URL>",
"LOG_LEVEL": "<LOG_LEVEL>"
}
}
}
}Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
UE_PROJECT_PATHRequired | Your Unreal project folder or its .uproject file. The server reads the capability token from <project>/Saved/MCP/capability-token. |
MCP_AUTOMATION_CAPABILITY_TOKENOptional, secret | Capability token to present to the editor. Only needed when the server cannot read the project folder. |
UNREAL_MCP_URLOptional | The editor's native MCP endpoint (Project Settings > EngineWire > Native MCP Port). |
LOG_LEVELOptional | Log level. Logs go to stderr. |
Details
| Package | [email protected] (NPM, stdio) |
| First published | 8 Nov 2026 |
| Last updated | 8 Nov 2026 |
| Registry name | io.github.ChiR24/unreal-engine-mcp |
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