> ## Documentation Index
> Fetch the complete documentation index at: https://openrouter-d02e98a0-mintlify-5b6e02fd.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# ToolAdvisor20260301 - Go SDK

> ToolAdvisor20260301 type definition

<Warning>
  The Go SDK and docs are currently in beta.
  Report issues on [GitHub](https://github.com/OpenRouterTeam/go-sdk/issues).
</Warning>

## Fields

| Field            | Type                                                                                                               | Required             | Description                                                                                                                                                                                                 | Example                 |
| ---------------- | ------------------------------------------------------------------------------------------------------------------ | -------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ----------------------- |
| `AllowedCallers` | \[][components.AnthropicAllowedCallers](/client-sdks/go/api-reference/models/anthropicallowedcallers)              | :heavy\_minus\_sign: | N/A                                                                                                                                                                                                         | \[<br />"direct"<br />] |
| `CacheControl`   | [\*components.AnthropicCacheControlDirective](/client-sdks/go/api-reference/models/anthropiccachecontroldirective) | :heavy\_minus\_sign: | Enable automatic prompt caching. When set at the top level, the system automatically applies cache breakpoints to the last cacheable block in the request. Currently supported for Anthropic Claude models. | `{"type": "ephemeral"}` |
| `Caching`        | optionalnullable.OptionalNullable\[[components.Caching](/client-sdks/go/api-reference/models/caching)]             | :heavy\_minus\_sign: | N/A                                                                                                                                                                                                         | `{"type": "ephemeral"}` |
| `DeferLoading`   | `*bool`                                                                                                            | :heavy\_minus\_sign: | N/A                                                                                                                                                                                                         |                         |
| `MaxUses`        | `*int64`                                                                                                           | :heavy\_minus\_sign: | N/A                                                                                                                                                                                                         |                         |
| `Model`          | `string`                                                                                                           | :heavy\_check\_mark: | N/A                                                                                                                                                                                                         |                         |
| `Name`           | [components.NameAdvisor](/client-sdks/go/api-reference/models/nameadvisor)                                         | :heavy\_check\_mark: | N/A                                                                                                                                                                                                         |                         |
| `Type`           | [components.TypeAdvisor20260301](/client-sdks/go/api-reference/models/typeadvisor20260301)                         | :heavy\_check\_mark: | N/A                                                                                                                                                                                                         |                         |