NorthCinder Open-Source MCP Server Adds Human Approval Step to AI Shopping

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NorthCinder is a self-hosted, MIT-licensed open-source MCP server designed to let AI applications compare products and seek explicit buyer approval before completing a purchase. The project deliberately separates product recommendations from checkout, requiring a signed, single-use approval that specifies the merchant, variant, price, and spending cap for each transaction. It supports adapters for Shopify, WooCommerce, eBay, Etsy, and read-only Amazon comparisons, while clearly disclosing any unavailable or unconfigured store connections. Recommendations are limited to a maximum of three options, rankings are computed locally, and all approvals and checkout attempts are written to a local audit log. The project documentation notes that no host-and-model combination is currently qualified for routine autonomous research use, positioning NorthCinder as a controlled comparison and checkout layer rather than a fully reliable product discovery tool.

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