{
  "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": 0,
      "iso_code": false
    },
    "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": 91
    },
    "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=91&setCountry=0&setCurrency=1",
    "agent": {
      "root": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/root?setCountry=0&setCurrency=1",
      "sitemap": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/sitemap?setCountry=0&setCurrency=1",
      "search": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/search?setCountry=0&setCurrency=1",
      "cart": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/cart?setCountry=0&setCurrency=1",
      "product": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/product?id_product=91&setCountry=0&setCurrency=1",
      "contexts": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/contexts?resource=product&id_product=91&setCountry=0&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\/barock-viola-holger-krupke-91.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\/barock-viola-holger-krupke-91.html#product",
      "url": "https:\/\/musiccraft-instruments.com\/en\/p\/barock-viola-holger-krupke-91.html",
      "urls": {
        "agent": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/product?id_product=91&setCountry=0&setCurrency=1",
        "contexts": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/contexts?resource=product&id_product=91&setCountry=0&setCurrency=1",
        "human": "https:\/\/musiccraft-instruments.com\/en\/p\/barock-viola-holger-krupke-91.html"
      },

      "id_product": 91,
      "name": "Baroque Viola \u2013 Tone with history",
      "description": "Handcrafted baroque viola by Holger Krupke with warm response, historical tonal aesthetics and traditional craftsmanship.",
      "full_description": "Modern instruments often aim for perfection. Baroque instruments aim for something else.   They aim for character.   The handcrafted Baroque Viola by Holger Krupke combines traditional craftsmanship with a tonal character full of warmth, depth and historical atmosphere. This is not sterile precision \u2014 it is an instrument with soul, movement and personality in its sound.  The very first bow strokes reveal the difference: the tone feels soft, open and alive. Not aggressive. Not exaggerated. But naturally musical and expressive.   This baroque viola doesn\u2019t only respond to technique. It responds to musical sensitivity.   Especially in historical performance practice, subtle nuances often decide whether music truly moves people. The warm response, open dynamics and direct connection between player and instrument make exactly that possible.  Whether for early music, chamber music or historical ensembles, this baroque viola develops the tonal color many modern instruments have lost: organic, breathing and full of personality.  The traditional handcrafted construction creates a balanced response and authentic playing feel that experienced musicians and lovers of historical instruments will deeply appreciate.  For people who don\u2019t just want to play music correctly. But understand it.   Less polish. More character.   Handcrafted by Holger Krupke. Traditional German instrument-making craftsmanship.",
      "additional_text": "Handcrafted baroque viola by Holger Krupke \n Traditional historical construction \n Warm, soft and lively tonal character \n Open response and natural dynamics \n Ideal for historical performance practice \n Perfect for early and chamber music \n Authentic playing feel \n Traditional craftsmanship \n Designed for demanding musicians and lovers of historical instruments \n Made in Germany",

      "sku": "214\/22142",
      "mpn": "214\/22142",
      "ean13": "",
      "upc": "",

      "brand": {
        "@type": "Brand",
        "name": "Holger Krupke Geigenbaumeister",
        "url": "https:\/\/musiccraft-instruments.com\/en\/holger-krupke-geigenbaumeister_17"      },

      "manufacturer": {
        "@type": "Organization",
        "id_manufacturer": 17,
        "name": "Holger Krupke Geigenbaumeister",
        "url": "https:\/\/musiccraft-instruments.com\/en\/holger-krupke-geigenbaumeister_17"      },

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

      "main_category": {
        "id_category": 22,
        "name": "Violas",
        "link_rewrite": "violas",
        "urls": {
          "agent": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/category?id_category=22&setCountry=0&setCurrency=1",
          "human": "https:\/\/musiccraft-instruments.com\/en\/violas-22"
        }
      },

      "categories": [
                            {
            "id_category": 4,
            "name": "Instruments",
            "link_rewrite": "instruments",
            "urls": {
              "agent": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/category?id_category=4&setCountry=0&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=0&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=0&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=0&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": 15,
            "id_feature_value": 130,
            "name": "Taxation",
            "value": "Standard Rate"
          },                    {
            "id_feature": 9,
            "id_feature_value": 149,
            "name": "Instrument",
            "value": "Viola"
          },                    {
            "id_feature": 22,
            "id_feature_value": 171,
            "name": "Intended Use",
            "value": "Beginner"
          },                    {
            "id_feature": 22,
            "id_feature_value": 173,
            "name": "Intended Use",
            "value": "Stage"
          },                    {
            "id_feature": 22,
            "id_feature_value": 172,
            "name": "Intended Use",
            "value": "Intermediate"
          },                    {
            "id_feature": 22,
            "id_feature_value": 174,
            "name": "Intended Use",
            "value": "Studio"
          }                        ],

      "agent_faqs": [
              ],

      "images": [
                            {
            "id_image": 2168,
            "cover": true,
            "position": 1,
            "legend": "Baroque Viola \u2013 Tone with history",
            "url": "https:\/\/cdn3.musiccraft-instruments.com\/2168-large_default\/barock-viola-holger-krupke.webp"
          },                    {
            "id_image": 2169,
            "cover": false,
            "position": 2,
            "legend": "Baroque Viola \u2013 Tone with history",
            "url": "https:\/\/cdn2.musiccraft-instruments.com\/2169-large_default\/barock-viola-holger-krupke.webp"
          },                    {
            "id_image": 2173,
            "cover": false,
            "position": 3,
            "legend": "Baroque Viola \u2013 Tone with history",
            "url": "https:\/\/cdn3.musiccraft-instruments.com\/2173-large_default\/barock-viola-holger-krupke.webp"
          },                    {
            "id_image": 2170,
            "cover": false,
            "position": 4,
            "legend": "Baroque Viola \u2013 Tone with history",
            "url": "https:\/\/cdn3.musiccraft-instruments.com\/2170-large_default\/barock-viola-holger-krupke.webp"
          },                    {
            "id_image": 2171,
            "cover": false,
            "position": 5,
            "legend": "Baroque Viola \u2013 Tone with history",
            "url": "https:\/\/cdn1.musiccraft-instruments.com\/2171-large_default\/barock-viola-holger-krupke.webp"
          },                    {
            "id_image": 2172,
            "cover": false,
            "position": 6,
            "legend": "Baroque Viola \u2013 Tone with history",
            "url": "https:\/\/cdn2.musiccraft-instruments.com\/2172-large_default\/barock-viola-holger-krupke.webp"
          }                        ],

            "shipping_weight": {
        "@type": "QuantitativeValue",
        "value": 1.5,
        "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": 91,
        "id_product_attribute": 0,
        "url": "https:\/\/musiccraft-instruments.com\/en\/p\/barock-viola-holger-krupke-91.html",
        "price": 9900.00,
        "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": 9900.00,
          "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=91&qty=1&setCountry=0&setCurrency=1"
        }
              },

      "variant_offers": [
              ],

      "pricing": {
        "scope": "product",
        "default_id_product_attribute": 0,
        "delivery_country": false,
        "currency": "EUR",
        "currency_symbol": "\u20ac",
        "tax_rate": 19,
        "use_taxes": true,
        "show_taxes": true,
        "price_tax_included": 9900.00,
        "price_tax_excluded": 8319.33,
        "price_without_reduction": 8319.33,
        "reduction_percent": 0,
        "reduction_price": 0      },

      "availability": {
        "status": "https://schema.org/InStock",
        "orderable": true,
        "available_for_order": true,
        "show_price": true,
        "quantity": 5,
        "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."
      }
    }
  }
}