Web Search Engines

Web search engines can be used as `ContentRetriever`s in a [RAG pipeline](https://docs.langchain4j.dev/tutorials/rag#web-search-content-retriever) or as `@Tool`s.

📄️Google Custom Search

https://programmablesearchengine.google.com/

📄️SearchApi

SearchApi is a real-time SERP API. You can use it to perform searches in Google, Google News, Bing, Bing News, Baidu, Google Scholar, or any other engine that returns organic results.

📄️SearXNG

https://github.com/searxng/searxng

📄️Tavily

https://tavily.com/

📄️DuckDuckGo

https://duckduckgo.com/