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Build an AI shopping agent that actually buys things with LangGraph and BuyWhere MCP

This story is from 2026-08-29. It is preserved in the archive; the latest stories are on the live feed.

Most shopping agents stop at "here are some options." The useful ones go further: they pick one, confirm with you, and hand you a checkout link. This post builds that agent. It uses the ReAct pattern (Reason + Act), LangGraph for orchestration, and the BuyWhere MCP server for real product data. By…

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  1. 2026-08-29 16:09 · DEV Community — AI
    Build an AI shopping agent that actually buys things with LangGraph and BuyWhere MCP

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