{
  "agent_meta": {
    "type": "agent_product",
    "schema": "mcc_agent",
    "schema_version": "1.1",
    "generated_at": "2026-11-07",
    "source_of_truth": "MCC Commerce Engine"
  },

  "request_context": {
    "language": {
      "id_lang": 2,
      "iso_code": "en",
      "url_prefix": "\/en\/"
    },
    "delivery_country": {
      "id_country": 1,
      "iso_code": "DE"
    },
    "currency": {
      "id_currency": 1,
      "iso_code": "EUR",
      "name": "Euro",
      "symbol": "\u20ac"
    },
    "complete": true
  },

  "context_switching": {
    "available": true,
    "mode": "on_demand_resolver",
    "stateless": true,
    "resolver": "links.agent.contexts",
    "fetch_when": "requested_context_differs",
    "dimensions": [
      "language",
      "delivery_country",
      "currency"
    ],
    "unspecified_dimensions": "preserve_request_context",
    "selection": {
      "match": "exact",
      "source": "available_contexts",
      "result": "available_contexts[].target_url"
    },
    "target": {
      "resource": "product",
      "id_product": 802
    },
    "full_context_in_target_url": true,
    "requires_session_persistence": false,
    "manual_url_construction_allowed": false,
    "instruction": "When a requested language, delivery country or currency differs from request_context, fetch links.agent.contexts. Preserve dimensions not explicitly changed by the user, select the exact matching entry and follow target_url unchanged."
  },

  "platform": {
    "name": "MCC Agentic Commerce",
    "version": "1.0",
    "commerce_engine": "MCC Commerce Engine",
    "agent_interface": "MCC Agentic API"
  },

  "instructions": {
    "purpose": "This endpoint provides the complete machine-readable representation of one product in the active language, delivery-country and currency context.",
    "rules": [
      "All prices, taxes, availability and actions in data.product apply only to request_context.",
      "When variants exist, select the matching entry from data.product.variant_offers and use its exact price, availability and action URL.",
      "Do not infer a variant price from the product-level price or from another variant.",
      "Use the exact action.url supplied by the selected offer. Do not construct add-to-cart URLs manually.",
      "When language, delivery country or currency must change, fetch links.agent.contexts and follow the exact matching target_url unchanged.",
      "Prices, taxes, inventory and availability are calculated by the shop.",
      "Do not invent unavailable product, variant, price, stock, shipping or checkout information."
    ]
  },

  "capabilities": {
    "root": true,
    "sitemap": true,
    "search": true,
    "product": true,
    "contexts": true,
    "category": true,
    "cart": true,
    "cms_page": false,
    "checkout": false
  },

  "links": {
    "self": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/product?id_product=802&setCountry=1&setCurrency=1",
    "agent": {
      "root": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/root?setCountry=1&setCurrency=1",
      "sitemap": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/sitemap?setCountry=1&setCurrency=1",
      "search": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/search?setCountry=1&setCurrency=1",
      "cart": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/cart?setCountry=1&setCurrency=1",
      "product": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/product?id_product=802&setCountry=1&setCurrency=1",
      "contexts": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/contexts?resource=product&id_product=802&setCountry=1&setCurrency=1"
    },
    "human": {
      "home": "https:\/\/musiccraft-instruments.com\/",
      "sitemap": "https:\/\/musiccraft-instruments.com\/en\/sitemap",
      "search": "https:\/\/musiccraft-instruments.com\/en\/search",
      "product": "https:\/\/musiccraft-instruments.com\/en\/p\/max-sandner-4-4-violin-1970-802.html",
      "cart": "https:\/\/musiccraft-instruments.com\/en\/order",
      "contact": "https:\/\/musiccraft-instruments.com\/en\/contact-us"
    }
  },

  "commerce_model": {
    "pricing": "server_calculated",
    "tax": "server_calculated",
    "shipping": "server_calculated",
    "inventory": "live",
    "currencies": "context_based",
    "languages": "url_based"
  },

  "data": {
    "product": {
      "@context": "https://schema.org",
      "@type": "Product",
      "@id": "https:\/\/musiccraft-instruments.com\/en\/p\/max-sandner-4-4-violin-1970-802.html#product",
      "url": "https:\/\/musiccraft-instruments.com\/en\/p\/max-sandner-4-4-violin-1970-802.html",
      "urls": {
        "agent": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/product?id_product=802&setCountry=1&setCurrency=1",
        "contexts": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/contexts?resource=product&id_product=802&setCountry=1&setCurrency=1",
        "human": "https:\/\/musiccraft-instruments.com\/en\/p\/max-sandner-4-4-violin-1970-802.html"
      },

      "id_product": 802,
      "name": "Max Sandner 4\/4 Violin from 1970 \u2013 Stradivari Model with Case and Bow",
      "description": "Pre-owned full-size violin labelled Max Sandner, Erlbach 1970, in Stradivari model. Inspected and refurbished by a master violin maker, with Larsen strings and new fittings.",
      "full_description": "This  pre-owned 4\/4 violin  bears a label reading Max Sandner, Erlbach 1970 and is a one-off instrument based on a Stradivari model. It has been inspected and refurbished by a master violin maker and set up ready to play.  The violin dates from 1970 and retains its original varnish in very good condition. According to the seller, the instrument has no damage. Its current setup includes Larsen strings and new fittings.  The violin is available either on its own or as a set with case and bow. It combines the individual character of a played instrument from 1970 with a professionally checked and play-ready setup.",
      "additional_text": "Product type: Pre-owned violin \n Size: 4\/4 \n Condition: Used \n One-off instrument \n Model: Stradivari \n Year: 1970 \n Label: Max Sandner, Erlbach 1970 \n Inspected and refurbished by a master violin maker \n Set up ready to play \n According to the seller, no damage \n Original varnish: Very well preserved \n Strings: Larsen \n Fittings: New \n Available as instrument only or as a set with case and bow",

      "sku": "901\/3260",
      "mpn": "901\/3260",
      "ean13": "",
      "upc": "",

      "brand": {
        "@type": "Brand",
        "name": "MIGMA eG",
        "url": "https:\/\/musiccraft-instruments.com\/en\/migma-eg_21"      },

      "manufacturer": {
        "@type": "Organization",
        "id_manufacturer": 21,
        "name": "MIGMA eG",
        "url": "https:\/\/musiccraft-instruments.com\/en\/migma-eg_21"      },

      "supplier": {
        "@type": "Organization",
        "id_supplier": 1,
        "name": "Migma e.G."
      },

      "main_category": {
        "id_category": 7,
        "name": "Restoration",
        "link_rewrite": "restoration",
        "urls": {
          "agent": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/category?id_category=7&setCountry=1&setCurrency=1",
          "human": "https:\/\/musiccraft-instruments.com\/en\/restoration-7"
        }
      },

      "categories": [
                            {
            "id_category": 4,
            "name": "Instruments",
            "link_rewrite": "instruments",
            "urls": {
              "agent": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/category?id_category=4&setCountry=1&setCurrency=1",
              "human": "https:\/\/musiccraft-instruments.com\/en\/instruments-4"
            }
          },                    {
            "id_category": 6,
            "name": "Equipment & Essentials",
            "link_rewrite": "equipment-essentials",
            "urls": {
              "agent": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/category?id_category=6&setCountry=1&setCurrency=1",
              "human": "https:\/\/musiccraft-instruments.com\/en\/equipment-essentials-6"
            }
          },                    {
            "id_category": 7,
            "name": "Restoration",
            "link_rewrite": "restoration",
            "urls": {
              "agent": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/category?id_category=7&setCountry=1&setCurrency=1",
              "human": "https:\/\/musiccraft-instruments.com\/en\/restoration-7"
            }
          },                    {
            "id_category": 5,
            "name": "Highlight",
            "link_rewrite": "highlight",
            "urls": {
              "agent": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/category?id_category=5&setCountry=1&setCurrency=1",
              "human": "https:\/\/musiccraft-instruments.com\/en\/highlight-5"
            }
          }                        ],

      "features": [
                            {
            "id_feature": 1,
            "id_feature_value": 3,
            "name": "Product declaration",
            "value": "Single item"
          },                    {
            "id_feature": 1,
            "id_feature_value": 499,
            "name": "Product declaration",
            "value": "Historic & Restored"
          },                    {
            "id_feature": 15,
            "id_feature_value": 130,
            "name": "Taxation",
            "value": "Standard Rate"
          },                    {
            "id_feature": 9,
            "id_feature_value": 148,
            "name": "Instrument",
            "value": "Violin"
          },                    {
            "id_feature": 2,
            "id_feature_value": 501,
            "name": "Badges",
            "value": "Unique piece"
          },                    {
            "id_feature": 4,
            "id_feature_value": 154,
            "name": "Condition",
            "value": "processed"
          },                    {
            "id_feature": 4,
            "id_feature_value": 153,
            "name": "Condition",
            "value": "used"
          }                        ],

      "agent_faqs": [
              ],

      "images": [
                            {
            "id_image": 3771,
            "cover": true,
            "position": 1,
            "legend": "Max Sandner 4\/4 Violin from 1970 \u2013 Stradivari Model with Case and Bow",
            "url": "https:\/\/cdn3.musiccraft-instruments.com\/3771-large_default\/max-sandner-4-4-violin-1970.webp"
          },                    {
            "id_image": 3770,
            "cover": false,
            "position": 2,
            "legend": "Max Sandner 4\/4 Violin from 1970 \u2013 Stradivari Model with Case and Bow",
            "url": "https:\/\/cdn2.musiccraft-instruments.com\/3770-large_default\/max-sandner-4-4-violin-1970.webp"
          },                    {
            "id_image": 3772,
            "cover": false,
            "position": 3,
            "legend": "Max Sandner 4\/4 Violin from 1970 \u2013 Stradivari Model with Case and Bow",
            "url": "https:\/\/cdn3.musiccraft-instruments.com\/3772-large_default\/max-sandner-4-4-violin-1970.webp"
          },                    {
            "id_image": 3767,
            "cover": false,
            "position": 4,
            "legend": "Max Sandner 4\/4 Violin from 1970 \u2013 Stradivari Model with Case and Bow",
            "url": "https:\/\/cdn2.musiccraft-instruments.com\/3767-large_default\/max-sandner-4-4-violin-1970.webp"
          },                    {
            "id_image": 3768,
            "cover": false,
            "position": 5,
            "legend": "Max Sandner 4\/4 Violin from 1970 \u2013 Stradivari Model with Case and Bow",
            "url": "https:\/\/cdn3.musiccraft-instruments.com\/3768-large_default\/max-sandner-4-4-violin-1970.webp"
          },                    {
            "id_image": 3769,
            "cover": false,
            "position": 6,
            "legend": "Max Sandner 4\/4 Violin from 1970 \u2013 Stradivari Model with Case and Bow",
            "url": "https:\/\/cdn1.musiccraft-instruments.com\/3769-large_default\/max-sandner-4-4-violin-1970.webp"
          }                        ],

            "shipping_weight": {
        "@type": "QuantitativeValue",
        "value": 2,
        "unitCode": "KGM",
        "note": "Shipping weight, not product content."
      },
      
      
      "variant_model": {
        "has_variants": true,
        "variant_count": 2,
        "default_id_product_attribute": 1113
      },

      "offers": {
        "@type": "Offer",
        "offer_scope": "default_variant",
        "id_product": 802,
        "id_product_attribute": 1113,
        "url": "https:\/\/musiccraft-instruments.com\/en\/p\/max-sandner-4-4-violin-1970-802.html",
        "price": 2600.00,
        "priceCurrency": "EUR",
        "availability": "https://schema.org/InStock",
        "itemCondition": "https://schema.org/NewCondition",
        "seller": {
          "@type": "Organization",
          "name": "musiccraft - instruments",
          "url": "https:\/\/musiccraft-instruments.com\/",
          "telephone": "+49 (0) 34 20 63 14 888"        },
        "priceSpecification": {
          "@type": "PriceSpecification",
          "price": 2600.00,
          "priceCurrency": "EUR",
          "valueAddedTaxIncluded": true        }
              },

      "variant_offers": [
                            {
            "@type": "Offer",
            "id_product": 802,
            "id_product_attribute": 1113,
            "is_default": true,
            "sku": "901\/3260-1",
            "url": "https:\/\/musiccraft-instruments.com\/en\/p\/max-sandner-4-4-violin-1970-802.html",
            "image": "https:\/\/cdn3.musiccraft-instruments.com\/1-large_default\/max-sandner-4-4-violin-1970.webp",

                                                                                                                                                                                                                                                "attributes": [
                                              {
                  "group_id": 28,
                  "group_name": "Variant",
                  "value": "Individual instrument"
                }                                          ],
            "attribute_summary": "Variant: Individual instrument",

            "price": {
              "delivery_country": "DE",
              "currency": "EUR",
              "currency_symbol": "\u20ac",
              "tax_rate": 19,
              "tax_excluded": 2184.87,
              "tax_included": 2600.00,
              "without_reduction_tax_excluded": 2184.87,
              "without_reduction_tax_included": 2600.00,
              "value_added_tax_included": true            },

            
            "availability": "https://schema.org/InStock",
            "quantity": 1,
            "minimal_quantity": 1,
            "action": {
              "type": "add_to_cart",
              "method": "GET",
              "enabled": true,
              "quantity": 1,
              "url": "https:\/\/musiccraft-instruments.com\/en\/shopping-cart?add=1&id_product=802&id_product_attribute=1113&qty=1&setCountry=1&setCurrency=1"
            }
          },                    {
            "@type": "Offer",
            "id_product": 802,
            "id_product_attribute": 1112,
            "is_default": false,
            "sku": "901\/3260-2",
            "url": "https:\/\/musiccraft-instruments.com\/en\/p\/max-sandner-4-4-violin-1970-802.html",
            "image": "https:\/\/cdn3.musiccraft-instruments.com\/1-large_default\/max-sandner-4-4-violin-1970.webp",

                                                                                                                                                                                                                                                "attributes": [
                                              {
                  "group_id": 28,
                  "group_name": "Variant",
                  "value": "Instrument in a set with case and bow"
                }                                          ],
            "attribute_summary": "Variant: Instrument in a set with case and bow",

            "price": {
              "delivery_country": "DE",
              "currency": "EUR",
              "currency_symbol": "\u20ac",
              "tax_rate": 19,
              "tax_excluded": 2268.91,
              "tax_included": 2700.00,
              "without_reduction_tax_excluded": 2268.91,
              "without_reduction_tax_included": 2700.00,
              "value_added_tax_included": true            },

            
            "availability": "https://schema.org/InStock",
            "quantity": 1,
            "minimal_quantity": 1,
            "action": {
              "type": "add_to_cart",
              "method": "GET",
              "enabled": true,
              "quantity": 1,
              "url": "https:\/\/musiccraft-instruments.com\/en\/shopping-cart?add=1&id_product=802&id_product_attribute=1112&qty=1&setCountry=1&setCurrency=1"
            }
          }                        ],

      "pricing": {
        "scope": "default_variant",
        "default_id_product_attribute": 1113,
        "delivery_country": "DE",
        "currency": "EUR",
        "currency_symbol": "\u20ac",
        "tax_rate": 19,
        "use_taxes": true,
        "show_taxes": true,
        "price_tax_included": 2600.00,
        "price_tax_excluded": 2184.87,
        "price_without_reduction": 2184.87,
        "reduction_percent": 0,
        "reduction_price": 0      },

      "availability": {
        "status": "https://schema.org/InStock",
        "orderable": true,
        "available_for_order": true,
        "show_price": true,
        "quantity": 2,
        "minimal_quantity": 1,
        "variant_stock_available": true,
        "allow_buy_when_out_of_stock": false,
        "stock_management": false,
        "is_virtual": false      }
    },

    "actions": {
      "add_to_cart": {
        "type": "cart_add",
        "method": "GET",
        "requires_context": true,
        "required_context_parameters": [
          "setCountry",
          "setCurrency"
        ],
        "instruction": "Use the exact action.url from data.product.offers for a simple product or from the selected data.product.variant_offers entry. Respect action.enabled and action.quantity."
      }
    }
  }
}