---
title: tools
description: Reference for AI Gateway provider-executed tools.
type: reference
summary: Reference for AI Gateway provider tool helpers.
---

# tools



AI Gateway tool helpers create provider-executed `ai.Tool` declarations.

## Tools

* `perplexity_search`
* `parallel_search`

## Option models

* `SourcePolicy`
* `Excerpts`
* `FetchPolicy`


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For a semantic overview of all documentation, see [/sitemap.md](/sitemap.md)

For an index of all available documentation, see [/llms.txt](/llms.txt)