> ## Documentation Index > Fetch the complete documentation index at: https://openrouter.ai/docs/llms.txt > Use this file to discover all available pages before exploring further. # Profile Loading profile. `portable` serves the `defer_loading` tools with router-built search and call wrappers on any model and keeps the catalog fixed. `universal` defers every wrappable tool behind the same wrappers so the provider-facing tool list never changes (unless `min_deferred_tools` inlines a small catalog), and rebuilds the catalog from each request so tools can be added or removed mid-conversation. ## Example Usage ```typescript theme={null} import { Profile } from "@openrouter/sdk/models"; let value: Profile = "universal"; // Open enum: unrecognized values are captured as Unrecognized ``` ## Values ```typescript theme={null} "portable" | "universal" | Unrecognized ```