---
title: "MessagesSearchModelsServerTool"
---

OpenRouter built-in server tool: searches and filters AI models available on OpenRouter


## Fields

| Field                                                                                                | Type                                                                                                 | Required                                                                                             | Description                                                                                          | Example                                                                                              |
| ---------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------- |
| `parameters`                                                                                         | [Optional[components.SearchModelsServerToolConfig]](../components/searchmodelsservertoolconfig.mdx)   | :heavy_minus_sign:                                                                                   | Configuration for the openrouter:experimental__search_models server tool                             | \{<br/>"max_results": 5<br/>}                                                                         |
| `type`                                                                                               | [components.MessagesSearchModelsServerToolType](../components/messagessearchmodelsservertooltype.mdx) | :heavy_check_mark:                                                                                   | N/A                                                                                                  |                                                                                                      |