Semantic product search over Singapore e-commerce (BuyWhere), ranked by an auditable value-score derived from Shannon entropy across vendor price distributions - not just "cheapest first."
Useful Data Source For Agents Doing Product Price Sdk is an MCP project maintained in the nexus-mcp-infra/useful-data-source-for-agents-doing-product-price-sdk repository. The maintainer describes its purpose as “Semantic product search over Singapore e-commerce (BuyWhere), ranked by an auditable value-score derived from Shannon entropy across vendor price distributions - not just "cheapest first."”. Read the project documentation for the complete scope.
Project documentation · Repository · Discovery listing. This profile records the public documentation checked on 2026-10-08.
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| Tool | What it does |
|---|---|
| rank_buywhere_products_by_value_score | ranked search with max_price_sgd and category_filter |
| fetch_buywhere_vendor_price_distribution | vendor spread for a known product_id |
| resolve_buywhere_product_identity | disambiguate a partial/fuzzy product name into candidate product IDs |
| compare_buywhere_products_causal_rank | head-to-head comparison of 2-10 products with confounder adjustment |
| extract_buywhere_deal_anomalies | z-score based detection of mispriced or outlier listings |
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