Unreal Engine MCP Server
by topdev424
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| LOG_LEVEL | No | Logging level for the server (debug | info | warn | error). | info |
| GRAPHQL_PORT | No | Port for the optional GraphQL endpoint. | 4000 |
| GRAPHQL_ENABLED | No | Whether to enable the optional GraphQL endpoint. | false |
| UE_PROJECT_PATH | Yes | Path to your Unreal Engine project folder. | |
| ASSET_LIST_TTL_MS | No | Time-to-live for asset caching in milliseconds. | 10000 |
| MCP_AUTOMATION_HOST | No | The host address for the Automation Bridge connection. | 127.0.0.1 |
| MCP_AUTOMATION_PORT | No | The port number for the Automation Bridge connection. | 8091 |
| MCP_AUTOMATION_ALLOW_NON_LOOPBACK | No | Set to true to allow binding to non-loopback addresses (e.g., 0.0.0.0). Only enable if you understand the security implications. | false |
| MCP_AUTOMATION_REQUEST_TIMEOUT_MS | No | Timeout for automation requests in milliseconds. | 120000 |
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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