{
  "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": 806
    },
    "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=806&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=806&setCountry=0&setCurrency=1",
      "contexts": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/contexts?resource=product&id_product=806&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\/pre-owned-4-4-cello-old-german-work-806.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-4-4-cello-old-german-work-806.html#product",
      "url": "https:\/\/musiccraft-instruments.com\/en\/p\/pre-owned-4-4-cello-old-german-work-806.html",
      "urls": {
        "agent": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/product?id_product=806&setCountry=0&setCurrency=1",
        "contexts": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/contexts?resource=product&id_product=806&setCountry=0&setCurrency=1",
        "human": "https:\/\/musiccraft-instruments.com\/en\/p\/pre-owned-4-4-cello-old-german-work-806.html"
      },

      "id_product": 806,
      "name": "Pre-Owned 4\/4 Cello \u2013 Old German Work without Label",
      "description": "Pre-owned full-size cello of old German workmanship, approx. 90 to 100 years old. Restored and made ready to play by a master instrument maker, with Larsen Magnacore strings.",
      "full_description": "This  pre-owned 4\/4 cello  is an example of old German workmanship and is approximately 90 to 100 years old. The historic instrument has no label and retains its original shellac finish.  The cello has been restored, overhauled and made ready to play by a master instrument maker. It therefore combines the individual character of an older played instrument with professional refurbishment for continued musical use.  The instrument is fitted with Larsen Magnacore strings. As a historic cello without a maker attribution, its old German workmanship and professional restoration are central features of this individual instrument.",
      "additional_text": "Model: Pre-Owned 4\/4 Cello \n Product type: Pre-owned cello \n Size: 4\/4 \n Condition: Used \n Age: approx. 90 to 100 years \n Origin: Old German workmanship \n No label \n Original shellac finish \n Restored and overhauled by a master instrument maker \n Set up ready to play \n Strings: Larsen Magnacore",

      "sku": "901\/3257",
      "mpn": "901\/3257",
      "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=0&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=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": 499,
            "name": "Product declaration",
            "value": "Historic & Restored"
          },                    {
            "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": 325,
            "name": "Instrument",
            "value": "Cello"
          },                    {
            "id_feature": 2,
            "id_feature_value": 501,
            "name": "Badges",
            "value": "Unique piece"
          },                    {
            "id_feature": 4,
            "id_feature_value": 153,
            "name": "Condition",
            "value": "used"
          },                    {
            "id_feature": 4,
            "id_feature_value": 154,
            "name": "Condition",
            "value": "processed"
          }                        ],

      "agent_faqs": [
              ],

      "images": [
                            {
            "id_image": 3793,
            "cover": true,
            "position": 1,
            "legend": "Pre-Owned 4\/4 Cello \u2013 Old German Work without Label",
            "url": "https:\/\/cdn1.musiccraft-instruments.com\/3793-large_default\/pre-owned-4-4-cello-old-german-work.webp"
          },                    {
            "id_image": 3792,
            "cover": false,
            "position": 2,
            "legend": "Pre-Owned 4\/4 Cello \u2013 Old German Work without Label",
            "url": "https:\/\/cdn3.musiccraft-instruments.com\/3792-large_default\/pre-owned-4-4-cello-old-german-work.webp"
          },                    {
            "id_image": 3790,
            "cover": false,
            "position": 3,
            "legend": "Pre-Owned 4\/4 Cello \u2013 Old German Work without Label",
            "url": "https:\/\/cdn1.musiccraft-instruments.com\/3790-large_default\/pre-owned-4-4-cello-old-german-work.webp"
          },                    {
            "id_image": 3791,
            "cover": false,
            "position": 4,
            "legend": "Pre-Owned 4\/4 Cello \u2013 Old German Work without Label",
            "url": "https:\/\/cdn3.musiccraft-instruments.com\/3791-large_default\/pre-owned-4-4-cello-old-german-work.webp"
          },                    {
            "id_image": 3794,
            "cover": false,
            "position": 5,
            "legend": "Pre-Owned 4\/4 Cello \u2013 Old German Work without Label",
            "url": "https:\/\/cdn3.musiccraft-instruments.com\/3794-large_default\/pre-owned-4-4-cello-old-german-work.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": 806,
        "id_product_attribute": 0,
        "url": "https:\/\/musiccraft-instruments.com\/en\/p\/pre-owned-4-4-cello-old-german-work-806.html",
        "price": 5300.00,
        "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": 5300.00,
          "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=806&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": 5300.00,
        "price_tax_excluded": 4453.78,
        "price_without_reduction": 4453.78,
        "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."
      }
    }
  }
}