Decodo LangChain Tools

A Node.js LangChain plugin that enables developers to use Decodo's Scraper API alongside their LangChain applications.

Features

• Web Scraping: Scrape any URL and retrieve Markdown content
• Google Search: Search Google and retrieve structured results
• Amazon Search: Search Amazon and retrieve structured product data
• Reddit Scraping: Scrape Reddit posts and subreddits
• Full TypeScript Support: Complete type definitions for all parameters
• LangChain Integration: Seamless integration with LangChain's Tool system

Installation

npm install @decodo/langchain-ts

Quick Start

Prerequisites:

• Node.js >= v20
• Decodo Web Advanced subscription

To use the tools in this project, you will need a Decodo Advanced Web Scraping API subscription. Free trials are available on the dashboard.

Once you have a plan activated, take a note of your generated username and password:

1. Clone this repo and install dependencies:

git clone git@github.com:Decodo/decodo-langchain-ts.git
cd decodo-langchain-ts
npm i

2. Run any of the sample agents:

npm run example:agent-universal
npm run example:agent-google
npm run example:agent-amazon

Available Tools

See the tools/ directory for a list of available tools.

Examples

See the examples/ directory to see tools in action.

Configuration

All tools accept a DecodoConfig object:

type DecodoConfig = {
  username: string; // Your Web Advanced product username
  password: string; // Your Web Advanced product password
};

API Parameters

See the Scraper API documentation for a list of available parameters.

License

MIT

Support

For support, please visit Decodo's documentation or open an issue on GitHub.