Yappman Data Supermarket Price Snapshots

Connect Remote server

claude mcp add --transport http grocery-price-snapshots https://yappman-grocery-mcp.blue-bar-ca29.workers.dev/mcp

{
  "mcpServers": {
    "grocery-price-snapshots": {
      "url": "https://yappman-grocery-mcp.blue-bar-ca29.workers.dev/mcp"
    }
  }
}

{
  "servers": {
    "grocery-price-snapshots": {
      "type": "http",
      "url": "https://yappman-grocery-mcp.blue-bar-ca29.workers.dev/mcp"
    }
  }
}

Settings > Connectors > Add custom connector
URL: https://yappman-grocery-mcp.blue-bar-ca29.workers.dev/mcp

Tools 8 found in our last check

• get_shelf_price_index

  Returns one published week of the UK or Australian online shelf-price index: index levels, week-on-week change and matched-product counts by retailer and product class. It measures posted online shelf prices, not prices paid; not a CPI or a government statistic. Index levels are…

• get_index_series

  Returns the UK or Australian online shelf-price index over time, oldest week first, up to 26 weeks: level, week-on-week and four-week change, matched counts. Headline rows unless recordType says otherwise: retailer and class narrow other kinds, e.g. recordType class. Posted onli…

• get_class_movers

  Returns the product classes (e.g. dairy-eggs) whose index moved most, week on week, in one published week: the largest rises and falls, each with its matched-product count and a thinBase flag where a class rests on few products. Classes only: no retailers, no products, no prices…

• list_index_vintages

  Lists the published weeks (vintages) of the UK or Australian online shelf-price index, newest first, with publication time, revision and base week. Returns no index values and no prices. Use it to choose a week for get_shelf_price_index.

• lookup_basket_prices

  Returns shelf-price snapshot values from the UK daily 212-item basket for up to 20 barcodes (EAN) or retailer product ids, one day, up to one row per retailer: price, was-price, loyalty price, unit price, pack size and stock, as posted. Loyalty prices appear in the basket rows o…

• list_basket_products

  Returns the identifiers of the products in the UK daily 212-item basket for one day, sorted, with paging: retailer, retailer product id and barcodes (`ean`, empty where the basket holds none, as for Aldi). No names, brands or prices. Use it to find what lookup_basket_prices can…

• get_christmas_basket_prices

  Returns one week of the UK Christmas dinner basket summary (weekly to 24 Dec 2026): posted shelf prices of numbered items at Tesco, Sainsbury's, Asda and Aldi with flags, or totals over the items each retailer priced. Item numbers only, no product names. Not a CPI and not a pric…

• about_the_data

  Returns the licence (CC BY 4.0) and credit form, what is not served, the store setting, the published index weeks and the basket date range with its short and missing days. The licence covers our compilation only, not retailer content. Call it before citing or relying on the oth…

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