Unreal Engine MCP Server
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| LOG_LEVEL | No | Log level (debug | info | warn | error, default: info) | |
| UE_PROJECT_PATH | Yes | Path to the Unreal Engine project (required) | |
| MCP_METRICS_HOST | No | Prometheus metrics host (default: 127.0.0.1) | |
| MCP_METRICS_PORT | No | Prometheus metrics port (optional) | |
| ASSET_LIST_TTL_MS | No | Asset list cache TTL in milliseconds (default: 10000) | |
| MCP_METRICS_TOKEN | No | Token for metrics endpoint (optional) | |
| MCP_AUTOMATION_HOST | No | Host for automation bridge (default: 127.0.0.1) | |
| MCP_AUTOMATION_PORT | No | Port for automation bridge (default: 8091) | |
| MCP_REQUEST_TIMEOUT_MS | No | Request timeout in milliseconds (default: 120000) | |
| MCP_CONNECTION_TIMEOUT_MS | No | Connection timeout in milliseconds (default: 5000) | |
| MCP_ADDITIONAL_PATH_PREFIXES | No | Comma-separated additional content mount points (optional) | |
| MCP_METRICS_ALLOW_NON_LOOPBACK | No | Allow non-loopback for metrics (default: false) | |
| MCP_AUTOMATION_ALLOW_NON_LOOPBACK | No | Allow non-loopback addresses (default: false) |
Capabilities
Server capabilities have not been inspected yet.
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
No tools | |
Prompts
Interactive templates invoked by user choice
| Name | Description |
|---|---|
No prompts | |
Resources
Contextual data attached and managed by the client
| Name | Description |
|---|---|
No resources | |
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