{
  "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": 811
    },
    "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=811&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=811&setCountry=1&setCurrency=1",
      "contexts": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/contexts?resource=product&id_product=811&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\/high-quality-3-4-cello-vogtland-workmanship-811.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\/high-quality-3-4-cello-vogtland-workmanship-811.html#product",
      "url": "https:\/\/musiccraft-instruments.com\/en\/p\/high-quality-3-4-cello-vogtland-workmanship-811.html",
      "urls": {
        "agent": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/product?id_product=811&setCountry=1&setCurrency=1",
        "contexts": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/contexts?resource=product&id_product=811&setCountry=1&setCurrency=1",
        "human": "https:\/\/musiccraft-instruments.com\/en\/p\/high-quality-3-4-cello-vogtland-workmanship-811.html"
      },

      "id_product": 811,
      "name": "High-Quality 3\/4 Cello \u2013 Handcrafted Vogtland Workmanship",
      "description": "High-quality handcrafted 3\/4 cello of Vogtland workmanship, approx. 100 to 120 years old, restored, with Larsen strings and light brown hand-applied varnish.",
      "full_description": "This  high-quality 3\/4 cello  is a handcrafted instrument of Vogtland workmanship and is approximately 100 to 120 years old. The used cello has been carefully restored by an instrument maker and optimally adjusted for easy response and good playability.  The top is made from spruce, while the back and ribs are made from maple. A light brown hand-applied varnish gives the instrument a traditional appearance. The fingerboard features a C-edge.  The cello is fitted with Larsen strings. According to the seller, it offers excellent tonal characteristics and is described as a rare gem. It therefore combines historic Vogtland craftsmanship with professional restoration and a play-ready setup.",
      "additional_text": "Model: High-Quality 3\/4 Cello \n Product type: Pre-owned cello \n Size: 3\/4 \n Condition: Used \n Age: approx. 100 to 120 years \n Handcrafted \n Origin: Vogtland workmanship \n Restored by an instrument maker \n Adjusted for easy response and good playability \n Top: Spruce \n Back: Maple \n Ribs: Maple \n Varnish: Light brown, hand-applied \n Fingerboard: With C-edge \n Strings: Larsen \n According to the seller, excellent tonal characteristics \n According to the seller, a rare gem",

      "sku": "901\/3281",
      "mpn": "901\/3281",
      "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": 325,
            "name": "Instrument",
            "value": "Cello"
          },                    {
            "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": 3821,
            "cover": true,
            "position": 1,
            "legend": "High-Quality 3\/4 Cello \u2013 Handcrafted Vogtland Workmanship",
            "url": "https:\/\/cdn1.musiccraft-instruments.com\/3821-large_default\/high-quality-3-4-cello-vogtland-workmanship.webp"
          },                    {
            "id_image": 3820,
            "cover": false,
            "position": 2,
            "legend": "High-Quality 3\/4 Cello \u2013 Handcrafted Vogtland Workmanship",
            "url": "https:\/\/cdn1.musiccraft-instruments.com\/3820-large_default\/high-quality-3-4-cello-vogtland-workmanship.webp"
          },                    {
            "id_image": 3818,
            "cover": false,
            "position": 3,
            "legend": "High-Quality 3\/4 Cello \u2013 Handcrafted Vogtland Workmanship",
            "url": "https:\/\/cdn1.musiccraft-instruments.com\/3818-large_default\/high-quality-3-4-cello-vogtland-workmanship.webp"
          },                    {
            "id_image": 3819,
            "cover": false,
            "position": 4,
            "legend": "High-Quality 3\/4 Cello \u2013 Handcrafted Vogtland Workmanship",
            "url": "https:\/\/cdn2.musiccraft-instruments.com\/3819-large_default\/high-quality-3-4-cello-vogtland-workmanship.webp"
          },                    {
            "id_image": 3822,
            "cover": false,
            "position": 5,
            "legend": "High-Quality 3\/4 Cello \u2013 Handcrafted Vogtland Workmanship",
            "url": "https:\/\/cdn2.musiccraft-instruments.com\/3822-large_default\/high-quality-3-4-cello-vogtland-workmanship.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": 811,
        "id_product_attribute": 0,
        "url": "https:\/\/musiccraft-instruments.com\/en\/p\/high-quality-3-4-cello-vogtland-workmanship-811.html",
        "price": 5500.00,
        "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": 5500.00,
          "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=811&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": 5500.00,
        "price_tax_excluded": 4621.85,
        "price_without_reduction": 4621.85,
        "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."
      }
    }
  }
}