
{
  "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": 807
    },
    "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=807&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=807&setCountry=1&setCurrency=1",
      "contexts": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/contexts?resource=product&id_product=807&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\/pre-owned-40-cm-stradivari-model-viola-807.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\/pre-owned-40-cm-stradivari-model-viola-807.html#product",
      "url": "https:\/\/musiccraft-instruments.com\/en\/p\/pre-owned-40-cm-stradivari-model-viola-807.html",
      "urls": {
        "agent": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/product?id_product=807&setCountry=1&setCurrency=1",
        "contexts": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/contexts?resource=product&id_product=807&setCountry=1&setCurrency=1",
        "human": "https:\/\/musiccraft-instruments.com\/en\/p\/pre-owned-40-cm-stradivari-model-viola-807.html"
      },

      "id_product": 807,
      "name": "Pre-Owned 40 cm Viola \u2013 Stradivari Model with Antonius Stradiarius Label",
      "description": "Pre-owned viola with a 40 cm body length in Stradivari model, with Antonius Stradiarius label, original varnish, new fittings and Pirastro strings.",
      "full_description": "This  pre-owned viola with a 40 cm body length  is a one-off instrument based on a Stradivari model and bears a label reading Antonius Stradiarius. The instrument is described as work from the Vogtland region and may possibly originate from the Schmidt workshop in Markneukirchen.  The viola retains its original varnish and has been fitted with new fittings and Pirastro strings. It has been inspected and overhauled by a master craftsman and prepared for continued musical use.  According to the seller, the instrument is well suited to orchestral playing. The Antonius Stradiarius label and the possible attribution to the Schmidt workshop are stated as features or assessments of the instrument and do not constitute a confirmed maker attribution.",
      "additional_text": "Product type: Pre-owned viola \n Condition: Used \n One-off instrument \n Model: Stradivari model \n Body length: 40 cm \n Label: Antonius Stradiarius \n Origin: Vogtland workmanship \n Possibly Schmidt workshop, Markneukirchen \n Original varnish \n Fittings: New \n Strings: Pirastro \n Inspected and overhauled by a master craftsman \n According to the seller, a good orchestral instrument",

      "sku": "901\/3276",
      "mpn": "901\/3276",
      "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": 149,
            "name": "Instrument",
            "value": "Viola"
          },                    {
            "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": 3798,
            "cover": true,
            "position": 1,
            "legend": "Pre-Owned 40 cm Viola \u2013 Stradivari Model with Antonius Stradiarius Label",
            "url": "https:\/\/cdn2.musiccraft-instruments.com\/3798-large_default\/pre-owned-40-cm-stradivari-model-viola.webp"
          },                    {
            "id_image": 3797,
            "cover": false,
            "position": 2,
            "legend": "Pre-Owned 40 cm Viola \u2013 Stradivari Model with Antonius Stradiarius Label",
            "url": "https:\/\/cdn1.musiccraft-instruments.com\/3797-large_default\/pre-owned-40-cm-stradivari-model-viola.webp"
          },                    {
            "id_image": 3795,
            "cover": false,
            "position": 3,
            "legend": "Pre-Owned 40 cm Viola \u2013 Stradivari Model with Antonius Stradiarius Label",
            "url": "https:\/\/cdn3.musiccraft-instruments.com\/3795-large_default\/pre-owned-40-cm-stradivari-model-viola.webp"
          },                    {
            "id_image": 3796,
            "cover": false,
            "position": 4,
            "legend": "Pre-Owned 40 cm Viola \u2013 Stradivari Model with Antonius Stradiarius Label",
            "url": "https:\/\/cdn2.musiccraft-instruments.com\/3796-large_default\/pre-owned-40-cm-stradivari-model-viola.webp"
          }                        ],

            "shipping_weight": {
        "@type": "QuantitativeValue",
        "value": 2,
        "unitCode": "KGM",
        "note": "Shipping weight, not product content."
      },
      
      
      "variant_model": {
        "has_variants": false,
        "variant_count": 0,
        "default_id_product_attribute": 0
      },

      "offers": {
        "@type": "Offer",
        "offer_scope": "product",
        "id_product": 807,
        "id_product_attribute": 0,
        "url": "https:\/\/musiccraft-instruments.com\/en\/p\/pre-owned-40-cm-stradivari-model-viola-807.html",
        "price": 3500.00,
        "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": 3500.00,
          "priceCurrency": "EUR",
          "valueAddedTaxIncluded": true        }
        ,

        
        "action": {
          "type": "add_to_cart",
          "method": "GET",
          "enabled": true,
          "quantity": 1,
          "url": "https:\/\/musiccraft-instruments.com\/en\/shopping-cart?add=1&id_product=807&qty=1&setCountry=1&setCurrency=1"
        }
              },

      "variant_offers": [
              ],

      "pricing": {
        "scope": "product",
        "default_id_product_attribute": 0,
        "delivery_country": "DE",
        "currency": "EUR",
        "currency_symbol": "\u20ac",
        "tax_rate": 19,
        "use_taxes": true,
        "show_taxes": true,
        "price_tax_included": 3500.00,
        "price_tax_excluded": 2941.18,
        "price_without_reduction": 2941.18,
        "reduction_percent": 0,
        "reduction_price": 0      },

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