E-commerce Chatbot with a Small Knowledge Base: MCP or RAG?
rouge818 · reddit · 2026-08-20
A developer is building an e-commerce chatbot and plans to use MCP for transactional features (e.g., product search, adding to cart). For a small knowledge base of roughly 10 pages (used to answer policy questions about returns, refunds, and product manufacturing), the author is weighing implementation options: RAG with hybrid or semantic search seems like overkill, while stuffing everything into the context window risks wasting tokens in the long run. The author asks whether the knowledge base should also be implemented via MCP.
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