WEM Price Compare

Connect it to your AI

Claude Code

claude mcp add --transport http wem-price-compare https://wem3.ai/api/mcp

Claude, ChatGPT, Cursor and other apps

Add it as a custom connector with this URL (Streamable HTTP):

https://wem3.ai/api/mcp

Cursor, VS Code and other apps (mcp.json)

{
  "mcpServers": {
    "wem-price-compare": {
      "url": "https://wem3.ai/api/mcp"
    }
  }
}

Tools it offers

11 tools, as the server itself reported during our check on Oct 31, 2026.

• search_productsSearches WEM's catalogue and its connected retailer sources for products matching a query. The query can be a product name or an identifier: a barcode (EAN/UPC/GTIN), an Amazon ASIN, an MPN, a merchant SKU that names one
• semantic_searchSearches WEM's partner-feed products by meaning, for a plain-language need such as "comfortable shoes for standing all day" or "gift for a 10 year old who likes science". If the description is a product identifier (a bar
• get_categoriesLists the six broad shopping categories WEM covers (electronics, fashion, beauty, home, sports, collectibles), each with example products, the shops WEM has read a price from in the last 14 days (busiest first, with how
• get_productProvide at least one of: wem_id, or provider and product_id. Returns one product's details. Given `provider` and `product_id` from a search result, it returns that listing as its retailer source supplies it (title, price
• compare_productsLays 2 to 5 listings from earlier search results side by side in `comparison`: each listing's price and currency, and its rating, shipping and features where the retailer source supplies them (many listings carry none).
• find_lowest_pricePicks one listing for a kind of product within the shopper's constraints, from WEM's catalogue and a live retailer search (a current catalogue match answers without the live search). Candidates are first filtered to plau
• compare_offersProvide at least one of: gtin, slug, wem_id, or title. Lists the retailer offers WEM's catalogue holds for one product, current prices first and each group cheapest first, with WEM's 90-day price low (null when the produ
• verify_offerProvide at least one of: gtin, slug, wem_id, provider and externalId, or title. Checks a price someone has claimed for a product against the prices WEM has itself observed at retailers (recent readings, within a small to
• lookup_productsLooks up to 20 product identifiers in one call: barcodes (EAN/UPC/GTIN), Amazon ASINs, WEM IDs, catalogue slugs or wem3.ai/pl URLs. Each row has a status: found (WEM's catalogue holds it; the row gives its number of reta
• get_evidence_receiptFetches an evidence receipt by its id (wem-evr- followed by 32 hex characters), as issued with a verify_offer result. Returns the receipt's fields: verdict, observed_at, source, amount, currency and amount_minor, identit
• search_promotionsLists current promotions (sales and offers) that retailers in WEM's Awin affiliate programmes have published, for the shopper's market. Filter by merchant or by words in the offer. Each row gives the offer, its dates and

Questions