> ## Documentation Index
> Fetch the complete documentation index at: https://docs.langchain.com/llms.txt
> Use this file to discover all available pages before exploring further.

# You.com

> Integrate with You.com using LangChain JavaScript.

[You.com](https://you.com) is an AI productivity platform providing real-time web search and content extraction APIs designed for LLM applications.

## Installation and setup

<CodeGroup>
  ```bash npm theme={"theme":{"light":"catppuccin-latte","dark":"catppuccin-mocha"}}
  npm install @youdotcom-oss/langchain
  ```

  ```bash yarn theme={"theme":{"light":"catppuccin-latte","dark":"catppuccin-mocha"}}
  yarn add @youdotcom-oss/langchain
  ```

  ```bash pnpm theme={"theme":{"light":"catppuccin-latte","dark":"catppuccin-mocha"}}
  pnpm add @youdotcom-oss/langchain
  ```
</CodeGroup>

Set your You.com API key. Get your API key at [you.com/platform](https://you.com/platform).

```typescript theme={"theme":{"light":"catppuccin-latte","dark":"catppuccin-mocha"}}
process.env.YDC_API_KEY = "your-api-key";
```

## Tools

The package provides three `DynamicStructuredTool` instances: `youSearch`, `youResearch`, and `youContents`. See a [usage example](/oss/javascript/integrations/tools/youdotcom).

```typescript theme={"theme":{"light":"catppuccin-latte","dark":"catppuccin-mocha"}}
import { youSearch, youResearch, youContents } from "@youdotcom-oss/langchain";
```

***

<div className="source-links">
  <Callout icon="terminal-2">
    [Connect these docs](/use-these-docs) to Claude, VSCode, and more via MCP for real-time answers.
  </Callout>

  <Callout icon="edit">
    [Edit this page on GitHub](https://github.com/langchain-ai/docs/edit/main/src/oss/javascript/integrations/providers/youdotcom.mdx) or [file an issue](https://github.com/langchain-ai/docs/issues/new/choose).
  </Callout>
</div>
