MCP serverai.wem3/wem-price-compare

Multi-retailer offers for one product from WEM's own catalogue, cheapest first, with a 90-day price-history low. Identity is resolved by barcode, catalogue slug, WEM ID, or a gated

Compare 2-5 products side by side. Returns a structured comparison of price, rating, shipping, and key features. Use when the user is deciding between options. If the user is shopp

Find the single lowest-priced product matching the stated constraints. Ranks on price, adjusted for the priorities the caller states (rating, shipping) — never on WEM commission. U

Get available product categories and the approximate price range for each. Use to guide the user when their request is vague. If the user is shopping — a model name, barcode, ASIN,

Fetch a WEM evidence receipt by id (wem-evr-...). Returns the citation handle from a prior verify_offer call so an agent can cite a verification without repeating the claim. signed

Get full details for a specific product by its provider and ID, or by a bare wem_id. Use after search results to get more info before recommending. If the user is shopping — a mode

Look up several products in one call: up to 20 barcodes (EAN/UPC/GTIN), Amazon ASINs, WEM IDs or wem3.ai/pl URLs. Each row says whether WEM's catalogue holds that product and, when

Search for products across connected retailers. The query may be a product name, a barcode (EAN/UPC/GTIN), an Amazon ASIN, an MPN, a merchant SKU (when it uniquely names one catalo

Current promotions (sales and offers) from retailers WEM has an affiliate programme with, as each retailer published them to its affiliate network. Filter by merchant or by words i

Search for products using natural language descriptions. Uses AI embeddings for semantic understanding — handles vague requests like "comfortable shoes for standing all day" or "gi

Check a price claim before repeating it. Given a product and a price someone has asserted at a named retailer, returns whether that price is live in WEM's verified catalogue and wh