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Custom Document Loader for LangChain and LangGraph with Markdown extraction

This story is from 2026-08-27. It is preserved in the archive; the latest stories are on the live feed.

LangChain's default WebBaseLoader uses BeautifulSoup under the hood. While simple for static HTML pages, it breaks on two common production scenarios: Bot Protection : Cloudflare or DataDome blocks standard Python requests. Context Pollution : It preserves raw navigation links, scripts, and styling…

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  1. 2026-08-27 22:42 · DEV Community — AI
    Custom Document Loader for LangChain and LangGraph with Markdown extraction

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