Unreal Engine MCP runs on your own machine — the client starts it, so there is no endpoint to ping. 1 163 installs a week from npm. Last commit 30 Oct 2026.
EngineWire: drive the Unreal Editor (UE 5.0-5.8): levels, Blueprints, UI, materials, VFX and more.
Nothing serious here today
Today is the operative word: we check Unreal Engine MCP every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
Connect this server
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add unreal-engine-mcp -e 'UE_PROJECT_PATH=<UE_PROJECT_PATH>' -- npx -y unreal-engine-mcp-server{
"mcpServers": {
"unreal-engine-mcp": {
"command": "npx",
"args": [
"-y",
"unreal-engine-mcp-server"
],
"env": {
"UE_PROJECT_PATH": "<UE_PROJECT_PATH>"
}
}
}
}[mcp_servers.unreal-engine-mcp]
command = "npx"
args = ["-y", "unreal-engine-mcp-server"]
env = { UE_PROJECT_PATH = "<UE_PROJECT_PATH>" }{
"mcpServers": {
"unreal-engine-mcp": {
"command": "npx",
"args": [
"-y",
"unreal-engine-mcp-server"
],
"env": {
"UE_PROJECT_PATH": "<UE_PROJECT_PATH>"
}
}
}
}{
"servers": {
"unreal-engine-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"unreal-engine-mcp-server"
],
"env": {
"UE_PROJECT_PATH": "<UE_PROJECT_PATH>"
}
}
}
}Put your own value in place of
<UE_PROJECT_PATH> (Your Unreal project folder or its .uproject file. The server reads the capability token from <project>/Saved/MCP/capability-token).
The author’s registry entry marks it as required.
Optional settings from the registry entry, left out of the block above:
MCP_AUTOMATION_CAPABILITY_TOKEN (Capability token to present to the editor. Only needed when the server cannot read the project folder), UNREAL_MCP_URL (The editor's native MCP endpoint (Project Settings > EngineWire > Native MCP Port)), LOG_LEVEL (Log level. Logs go to stderr).
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Unreal Engine MCP — questions
Answers built from our own checks of this server.