Unreal Engine MCP Server

Environment

• LOG_LEVEL

  Log level (debug | info | warn | error, default: info)

• UE_PROJECT_PATHrequired

  Path to the Unreal Engine project (required)

• MCP_METRICS_HOST

  Prometheus metrics host (default: 127.0.0.1)

• MCP_METRICS_PORT

  Prometheus metrics port (optional)

• ASSET_LIST_TTL_MS

  Asset list cache TTL in milliseconds (default: 10000)

• MCP_METRICS_TOKENsecret

  Token for metrics endpoint (optional)

• MCP_AUTOMATION_HOST

  Host for automation bridge (default: 127.0.0.1)

• MCP_AUTOMATION_PORT

  Port for automation bridge (default: 8091)

• MCP_REQUEST_TIMEOUT_MS

  Request timeout in milliseconds (default: 120000)

• MCP_CONNECTION_TIMEOUT_MS

  Connection timeout in milliseconds (default: 5000)

• MCP_ADDITIONAL_PATH_PREFIXES

  Comma-separated additional content mount points (optional)

• MCP_METRICS_ALLOW_NON_LOOPBACK

  Allow non-loopback for metrics (default: false)

• MCP_AUTOMATION_ALLOW_NON_LOOPBACK

  Allow non-loopback addresses (default: false)