Build a RAG knowledge base from Substack newsletters (clean Markdown, no paywall tricks)
This story is from 2026-10-17. It is preserved in the archive; the latest stories are on the live feed.
Newsletters are some of the best expert content on the internet — and a great source for a RAG chatbot or an AI research agent. The problem: Substack's HTML is full of "Subscribe now" buttons, share widgets and image wrappers that pollute your embeddings. Here's a clean pipeline. 1. List posts Ever…
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- 2026-10-17 12:00 · DEV Community — AI
Build a RAG knowledge base from Substack newsletters (clean Markdown, no paywall tricks)