Server definition

Hash: sha256:766401968b158bfe3663a459be66a3c86d80c40516c715858227502fe301957c
What it is: What a remote MCP server returned when asked what it offers: 8 tools

The blob, as servednamed by its sha256

{
  "instructions": null,
  "tools": [
    {
      "description": "Given a product (by Lowvyn ID or retailer URL), return the same physical product on other Canadian retailers with their current prices and savings. Uses verified UPC matches. Use this when a user wants to know 'can I get this cheaper somewhere else?'.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "idOrUrl": {
            "description": "Lowvyn product ID or retailer URL",
            "type": "string"
          }
        },
        "required": [
          "idOrUrl"
        ],
        "type": "object"
      },
      "name": "find_cheaper",
      "outputSchema": null
    },
    {
      "description": "List the product categories Lowvyn covers, with item counts. Useful for narrowing search_products calls.",
      "inputSchema": {
        "additionalProperties": false,
        "type": "object"
      },
      "name": "get_categories",
      "outputSchema": null
    },
    {
      "description": "Return the daily price history for a product as (date, price) pairs, up to N days. Use this to verify whether a 'sale' is genuine or whether the price has been higher in the past, or to show a price trend in an answer to the user.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "days": {
            "description": "How many days back to return; default 90, max 365",
            "type": "integer"
          },
          "idOrUrl": {
            "description": "Lowvyn product ID or retailer URL",
            "type": "string"
          }
        },
        "required": [
          "idOrUrl"
        ],
        "type": "object"
      },
      "name": "get_price_history",
      "outputSchema": null
    },
    {
      "description": "Look up a product by Lowvyn ID OR retailer URL (amazon.ca / walmart.ca / bestbuy.ca / canadiantire.ca). Returns title, current price (CAD), Lowvyn Score (0-100), Deal Verdict, and price summary (current / all-time low / all-time high).",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "idOrUrl": {
            "description": "Lowvyn product ID or a retailer URL (amazon.ca/walmart.ca/bestbuy.ca/canadiantire.ca)",
            "type": "string"
          }
        },
        "required": [
          "idOrUrl"
        ],
        "type": "object"
      },
      "name": "get_product",
      "outputSchema": null
    },
    {
      "description": "List the Canadian retailers Lowvyn currently tracks, with item counts and last-update timestamps.",
      "inputSchema": {
        "additionalProperties": false,
        "type": "object"
      },
      "name": "get_retailers",
      "outputSchema": null
    },
    {
      "description": "Search the Canadian catalogue by a natural-language description of a NEED rather than keywords. Give it what the shopper actually wants (e.g. 'a quiet gaming laptop under $1500', 'a reliable stroller for travel') and it returns the best-matching products with their current price (CAD), Lowvyn Score, and Deal Verdict, plus what it understood (category, budget, must-haves). A relevance model does the matching; the deterministic deal gate decides the verdict — it never inflates a deal. Use this when the user describes a use case, budget, or constraints instead of naming a product; use search_products for a plain category/price filter. Each result carries an id + canonicalUrl you can pass to get_product, verify_deal, or find_cheaper.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "query": {
            "description": "A natural-language description of what the shopper wants, e.g. 'a quiet gaming laptop under $1500' or 'a reliable stroller for travel'",
            "type": "string"
          },
          "sort": {
            "description": "How to order/filter results. 'match' (default) = best match to the described need. 'deal' = order matches by deal quality (best time to buy first), no filter. 'good' = keep only confident good deals (real or modest saving). 'great' (alias 'real') = keep ONLY matches the deterministic gate rates a genuine great deal right now (may be few or none). If the query text itself asks for a good/great deal, that is auto-applied even without this field; set it to override.",
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "intent_search",
      "outputSchema": null
    },
    {
      "description": "Search the Canadian product catalogue. Filter by category slug, max price (CAD), and retailer. Returns up to 20 matching products with current price and Lowvyn Score. Use this when a user is exploring what is available in a category rather than asking about a specific product. Each result carries an id + canonicalUrl you can pass to get_product, verify_deal, find_cheaper, or get_price_history.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "category": {
            "description": "Optional category slug (e.g. 'cribs')",
            "type": "string"
          },
          "maxPrice": {
            "description": "Optional max price in CAD",
            "type": "number"
          },
          "query": {
            "description": "Free-text search across product titles",
            "type": "string"
          },
          "retailer": {
            "description": "Optional retailer filter: 'amazon', 'walmart', 'bestbuy', or 'canadiantire'",
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "name": "search_products",
      "outputSchema": null
    },
    {
      "description": "Given a product (by Lowvyn ID, retailer URL, or a lowvyn.com product URL from another tool's result) and an optional claimed price, return whether the deal is genuine. Compares against Lowvyn's price history and returns a verdict ('real_deal', 'modest_deal', 'average', 'bad_time', 'insufficient_data') plus an explanation. Use this first when a user asks 'is this actually a good price?'. Accepts the id or canonicalUrl from a search_products / intent_search result directly.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "claimedPrice": {
            "description": "The price the deal claims, in CAD; omit to verify the live tracked price",
            "type": "number"
          },
          "idOrUrl": {
            "description": "Lowvyn product ID, a retailer URL (amazon.ca/walmart.ca/bestbuy.ca/canadiantire.ca), or a lowvyn.com/product-detail URL from another tool's result",
            "type": "string"
          }
        },
        "required": [
          "idOrUrl"
        ],
        "type": "object"
      },
      "name": "verify_deal",
      "outputSchema": null
    }
  ]
}

Verify it yourself

curl -s https://api.teppi.xyz/v1/evidence/sha256:766401968b158bfe3663a459be66a3c86d80c40516c715858227502fe301957c | sha256sum