                                  
{
  "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": 85
    },
    "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=85&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=85&setCountry=1&setCurrency=1",
      "contexts": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/contexts?resource=product&id_product=85&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\/cello-20846-klaus-karin-wunderlich-85.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\/cello-20846-klaus-karin-wunderlich-85.html#product",
      "url": "https:\/\/musiccraft-instruments.com\/en\/p\/cello-20846-klaus-karin-wunderlich-85.html",
      "urls": {
        "agent": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/product?id_product=85&setCountry=1&setCurrency=1",
        "contexts": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/contexts?resource=product&id_product=85&setCountry=1&setCurrency=1",
        "human": "https:\/\/musiccraft-instruments.com\/en\/p\/cello-20846-klaus-karin-wunderlich-85.html"
      },

      "id_product": 85,
      "name": "Cello 20846 \u2013 Master tone with real depth",
      "description": "High-quality handcrafted cello by Klaus &amp; Karin Wunderlich with warm projection, depth and strong musical presence.",
      "full_description": "Great instruments don\u2019t just sound beautiful. They tell something.   The Cello 20846 by Klaus &amp; Karin Wunderlich has exactly that kind of voice.   Warm, full and impressively deep, this cello creates a tone that doesn\u2019t feel flat or ordinary. Every note carries substance. Every bow stroke opens a new shade of sound. This is not an instrument for the background. It is a high-quality master instrument for musicians who want to feel how much expression can live inside wood, craftsmanship and attitude.  The traditional construction, carefully selected tonewoods and precise handcrafted workmanship create an open response and a beautifully balanced tonal character. The lower register feels powerful and rounded, while the higher register remains clear, singing and alive.   This cello doesn\u2019t only respond to technique. It responds to feeling.   Especially with a cello, tonal depth decides whether music is merely played correctly or truly moves people. The Cello 20846 brings exactly that musical seriousness: warmth, dynamics and character instead of sterile perfection.  For advanced players. For ambitious musicians. For people who don\u2019t just want to produce sound. But shape it.   Not polished. Not ordinary. Real.   Handcrafted by Klaus &amp; Karin Wunderlich. Traditional string instrument craftsmanship from Germany.",
      "additional_text": "High-quality handcrafted master cello \n Made by Klaus &amp; Karin Wunderlich \n Warm, full and projecting tonal character \n Balanced response across all registers \n Powerful lows and clear highs \n Traditional construction using premium tonewoods \n Suitable for solo, ensemble and advanced study \n Designed for advanced and ambitious players \n Traditional craftsmanship \n Made in Germany",

      "sku": "208\/20846",
      "mpn": "208\/20846",
      "ean13": "",
      "upc": "",

      "brand": {
        "@type": "Brand",
        "name": "Klaus & Karin Wunderlich Geigenbaumeister",
        "url": "https:\/\/musiccraft-instruments.com\/en\/klaus-karin-wunderlich-geigenbaumeister_15"      },

      "manufacturer": {
        "@type": "Organization",
        "id_manufacturer": 15,
        "name": "Klaus & Karin Wunderlich Geigenbaumeister",
        "url": "https:\/\/musiccraft-instruments.com\/en\/klaus-karin-wunderlich-geigenbaumeister_15"      },

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

      "main_category": {
        "id_category": 23,
        "name": "Cellos",
        "link_rewrite": "cellos",
        "urls": {
          "agent": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/category?id_category=23&setCountry=1&setCurrency=1",
          "human": "https:\/\/musiccraft-instruments.com\/en\/cellos-23"
        }
      },

      "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": 15,
            "id_feature_value": 130,
            "name": "Taxation",
            "value": "Standard Rate"
          },                    {
            "id_feature": 9,
            "id_feature_value": 325,
            "name": "Instrument",
            "value": "Cello"
          },                    {
            "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"
          },                    {
            "id_feature": 2,
            "id_feature_value": 502,
            "name": "Badges",
            "value": "Different variants"
          }                        ],

      "agent_faqs": [
              ],

      "images": [
                            {
            "id_image": 2132,
            "cover": true,
            "position": 1,
            "legend": "Cello 20846 \u2013 Master tone with real depth",
            "url": "https:\/\/cdn3.musiccraft-instruments.com\/2132-large_default\/cello-20846-klaus-karin-wunderlich.webp"
          },                    {
            "id_image": 2136,
            "cover": false,
            "position": 2,
            "legend": "Cello 20846 \u2013 Master tone with real depth",
            "url": "https:\/\/cdn3.musiccraft-instruments.com\/2136-large_default\/cello-20846-klaus-karin-wunderlich.webp"
          },                    {
            "id_image": 2135,
            "cover": false,
            "position": 3,
            "legend": "Cello 20846 \u2013 Master tone with real depth",
            "url": "https:\/\/cdn3.musiccraft-instruments.com\/2135-large_default\/cello-20846-klaus-karin-wunderlich.webp"
          },                    {
            "id_image": 2133,
            "cover": false,
            "position": 4,
            "legend": "Cello 20846 \u2013 Master tone with real depth",
            "url": "https:\/\/cdn1.musiccraft-instruments.com\/2133-large_default\/cello-20846-klaus-karin-wunderlich.webp"
          },                    {
            "id_image": 2134,
            "cover": false,
            "position": 5,
            "legend": "Cello 20846 \u2013 Master tone with real depth",
            "url": "https:\/\/cdn1.musiccraft-instruments.com\/2134-large_default\/cello-20846-klaus-karin-wunderlich.webp"
          }                        ],

            "shipping_weight": {
        "@type": "QuantitativeValue",
        "value": 4,
        "unitCode": "KGM",
        "note": "Shipping weight, not product content."
      },
      
      
      "variant_model": {
        "has_variants": true,
        "variant_count": 2,
        "default_id_product_attribute": 168
      },

      "offers": {
        "@type": "Offer",
        "offer_scope": "default_variant",
        "id_product": 85,
        "id_product_attribute": 168,
        "url": "https:\/\/musiccraft-instruments.com\/en\/p\/cello-20846-klaus-karin-wunderlich-85.html",
        "price": 9905.00,
        "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": 9905.00,
          "priceCurrency": "EUR",
          "valueAddedTaxIncluded": true        }
              },

      "variant_offers": [
                            {
            "@type": "Offer",
            "id_product": 85,
            "id_product_attribute": 168,
            "is_default": true,
            "sku": "208\/20846-44",
            "url": "https:\/\/musiccraft-instruments.com\/en\/p\/cello-20846-klaus-karin-wunderlich-85.html",
            "image": "https:\/\/cdn3.musiccraft-instruments.com\/1-large_default\/cello-20846-klaus-karin-wunderlich.webp",

                                                                                                                                                                                                                                                "attributes": [
                                              {
                  "group_id": 10,
                  "group_name": "Size",
                  "value": "4\/4 Size"
                }                                          ],
            "attribute_summary": "Size: 4\/4 Size",

            "price": {
              "delivery_country": "DE",
              "currency": "EUR",
              "currency_symbol": "\u20ac",
              "tax_rate": 19,
              "tax_excluded": 8323.53,
              "tax_included": 9905.00,
              "without_reduction_tax_excluded": 8323.53,
              "without_reduction_tax_included": 9905.00,
              "value_added_tax_included": true            },

            
            "availability": "https://schema.org/InStock",
            "quantity": 5,
            "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=85&id_product_attribute=168&qty=1&setCountry=1&setCurrency=1"
            }
          },                    {
            "@type": "Offer",
            "id_product": 85,
            "id_product_attribute": 169,
            "is_default": false,
            "sku": "208\/20846-78",
            "url": "https:\/\/musiccraft-instruments.com\/en\/p\/cello-20846-klaus-karin-wunderlich-85.html",
            "image": "https:\/\/cdn3.musiccraft-instruments.com\/1-large_default\/cello-20846-klaus-karin-wunderlich.webp",

                                                                                                                                                                                                                                                "attributes": [
                                              {
                  "group_id": 10,
                  "group_name": "Size",
                  "value": "7\/8 Size"
                }                                          ],
            "attribute_summary": "Size: 7\/8 Size",

            "price": {
              "delivery_country": "DE",
              "currency": "EUR",
              "currency_symbol": "\u20ac",
              "tax_rate": 19,
              "tax_excluded": 8323.53,
              "tax_included": 9905.00,
              "without_reduction_tax_excluded": 8323.53,
              "without_reduction_tax_included": 9905.00,
              "value_added_tax_included": true            },

            
            "availability": "https://schema.org/InStock",
            "quantity": 5,
            "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=85&id_product_attribute=169&qty=1&setCountry=1&setCurrency=1"
            }
          }                        ],

      "pricing": {
        "scope": "default_variant",
        "default_id_product_attribute": 168,
        "delivery_country": "DE",
        "currency": "EUR",
        "currency_symbol": "\u20ac",
        "tax_rate": 19,
        "use_taxes": true,
        "show_taxes": true,
        "price_tax_included": 9905.00,
        "price_tax_excluded": 8323.53,
        "price_without_reduction": 8323.53,
        "reduction_percent": 0,
        "reduction_price": 0      },

      "availability": {
        "status": "https://schema.org/InStock",
        "orderable": true,
        "available_for_order": true,
        "show_price": true,
        "quantity": 10,
        "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."
      }
    }
  }
}