{
  "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": 1,
      "iso_code": "de",
      "url_prefix": "\/de\/"
    },
    "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": 153
    },
    "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\/de\/mcc\/mcc_agent\/product?id_product=153&setCountry=0&setCurrency=1",
    "agent": {
      "root": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/root?setCountry=0&setCurrency=1",
      "sitemap": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/sitemap?setCountry=0&setCurrency=1",
      "search": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/search?setCountry=0&setCurrency=1",
      "cart": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/cart?setCountry=0&setCurrency=1",
      "product": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/product?id_product=153&setCountry=0&setCurrency=1",
      "contexts": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/contexts?resource=product&id_product=153&setCountry=0&setCurrency=1"
    },
    "human": {
      "home": "https:\/\/musiccraft-instruments.com\/",
      "sitemap": "https:\/\/musiccraft-instruments.com\/de\/sitemap",
      "search": "https:\/\/musiccraft-instruments.com\/de\/suche",
      "product": "https:\/\/musiccraft-instruments.com\/de\/p\/endknopf-violine-verschiedene-schaftstaerken-153.html",
      "cart": "https:\/\/musiccraft-instruments.com\/de\/bestellung",
      "contact": "https:\/\/musiccraft-instruments.com\/de\/kontaktiere-uns"
    }
  },

  "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\/de\/p\/endknopf-violine-verschiedene-schaftstaerken-153.html#product",
      "url": "https:\/\/musiccraft-instruments.com\/de\/p\/endknopf-violine-verschiedene-schaftstaerken-153.html",
      "urls": {
        "agent": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/product?id_product=153&setCountry=0&setCurrency=1",
        "contexts": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/contexts?resource=product&id_product=153&setCountry=0&setCurrency=1",
        "human": "https:\/\/musiccraft-instruments.com\/de\/p\/endknopf-violine-verschiedene-schaftstaerken-153.html"
      },

      "id_product": 153,
      "name": "Endknopf f\u00fcr Violine \u2013 verschiedene Schaftst\u00e4rken",
      "description": "Violin-Endknopf in verschiedenen Schaftst\u00e4rken f\u00fcr sicheren Halt von Saitenhalter und Einh\u00e4ngesaite.",
      "full_description": "Auch die kleinsten Teile entscheiden dar\u00fcber, wie sich ein Instrument anf\u00fchlt.  Ein sauber sitzender Endknopf sorgt f\u00fcr stabile Spannung, zuverl\u00e4ssigen Halt und ein sicheres Spielgef\u00fchl. Genau das, was man im Alltag braucht \u2013 ohne Nacharbeiten, ohne Kompromisse.  Dieser Endknopf f\u00fcr Violine ist in verschiedenen Schaftst\u00e4rken erh\u00e4ltlich und eignet sich ideal f\u00fcr Reparaturen, den Austausch bestehender Teile oder den Instrumentenbau.  F\u00fcr Instrumente, die gespielt werden wollen. Nicht nur gestimmt.",
      "additional_text": "Endknopf f\u00fcr Violine \n Verschiedene Schaftst\u00e4rken erh\u00e4ltlich: schwach, mittel und stark \n Sicherer Halt f\u00fcr Saitenhalter und Einh\u00e4ngesaite \n Geeignet f\u00fcr Reparatur und Instrumentenbau \n Klassische Bauform f\u00fcr Streichinstrumente",

      "sku": "834\/21",
      "mpn": "834\/21",
      "ean13": "",
      "upc": "",

      "brand": {
        "@type": "Brand",
        "name": "MIGMA eG",
        "url": "https:\/\/musiccraft-instruments.com\/de\/migma-eg_21"      },

      "manufacturer": {
        "@type": "Organization",
        "id_manufacturer": 21,
        "name": "MIGMA eG",
        "url": "https:\/\/musiccraft-instruments.com\/de\/migma-eg_21"      },

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

      "main_category": {
        "id_category": 81,
        "name": "Endkn\u00f6pfe",
        "link_rewrite": "endknoepfe",
        "urls": {
          "agent": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/category?id_category=81&setCountry=0&setCurrency=1",
          "human": "https:\/\/musiccraft-instruments.com\/de\/endknoepfe-81"
        }
      },

      "categories": [
                            {
            "id_category": 4,
            "name": "Instrumente",
            "link_rewrite": "instrumente",
            "urls": {
              "agent": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/category?id_category=4&setCountry=0&setCurrency=1",
              "human": "https:\/\/musiccraft-instruments.com\/de\/instrumente-4"
            }
          },                    {
            "id_category": 6,
            "name": "Equipment & Essentials",
            "link_rewrite": "equipment-essentials",
            "urls": {
              "agent": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/category?id_category=6&setCountry=0&setCurrency=1",
              "human": "https:\/\/musiccraft-instruments.com\/de\/equipment-essentials-6"
            }
          },                    {
            "id_category": 7,
            "name": "Restauration",
            "link_rewrite": "restauration",
            "urls": {
              "agent": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/category?id_category=7&setCountry=0&setCurrency=1",
              "human": "https:\/\/musiccraft-instruments.com\/de\/restauration-7"
            }
          },                    {
            "id_category": 5,
            "name": "Highlight",
            "link_rewrite": "highlight",
            "urls": {
              "agent": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/category?id_category=5&setCountry=0&setCurrency=1",
              "human": "https:\/\/musiccraft-instruments.com\/de\/highlight-5"
            }
          }                        ],

      "features": [
                            {
            "id_feature": 1,
            "id_feature_value": 150,
            "name": "Produkttyp",
            "value": "Ersatzteile"
          },                    {
            "id_feature": 1,
            "id_feature_value": 1,
            "name": "Produkttyp",
            "value": "Zubeh\u00f6r"
          },                    {
            "id_feature": 15,
            "id_feature_value": 130,
            "name": "Besteuerung",
            "value": "Standard Rate"
          },                    {
            "id_feature": 9,
            "id_feature_value": 148,
            "name": "Instrument",
            "value": "Violine"
          },                    {
            "id_feature": 28,
            "id_feature_value": 332,
            "name": "Bestandteile",
            "value": "Endkn\u00f6pfe"
          },                    {
            "id_feature": 2,
            "id_feature_value": 502,
            "name": "Besonderheit",
            "value": "Verschiedene Varianten"
          },                    {
            "id_feature": 18,
            "id_feature_value": 358,
            "name": " Kernmaterial",
            "value": "Ebenholz"
          }                        ],

      "agent_faqs": [
              ],

      "images": [
                            {
            "id_image": 2382,
            "cover": true,
            "position": 1,
            "legend": "Endknopf f\u00fcr Violine \u2013 verschiedene Schaftst\u00e4rken",
            "url": "https:\/\/cdn2.musiccraft-instruments.com\/2382-large_default\/endknopf-violine-verschiedene-schaftstaerken.webp"
          }                        ],

            "shipping_weight": {
        "@type": "QuantitativeValue",
        "value": 0.02,
        "unitCode": "KGM",
        "note": "Shipping weight, not product content."
      },
      
      
      "variant_model": {
        "has_variants": true,
        "variant_count": 2,
        "default_id_product_attribute": 472
      },

      "offers": {
        "@type": "Offer",
        "offer_scope": "default_variant",
        "id_product": 153,
        "id_product_attribute": 472,
        "url": "https:\/\/musiccraft-instruments.com\/de\/p\/endknopf-violine-verschiedene-schaftstaerken-153.html",
        "price": 5.20,
        "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": 5.20,
          "priceCurrency": "EUR",
          "valueAddedTaxIncluded": true        }
              },

      "variant_offers": [
                            {
            "@type": "Offer",
            "id_product": 153,
            "id_product_attribute": 472,
            "is_default": true,
            "sku": "834\/21-SW",
            "url": "https:\/\/musiccraft-instruments.com\/de\/p\/endknopf-violine-verschiedene-schaftstaerken-153.html",
            "image": "https:\/\/cdn3.musiccraft-instruments.com\/1-large_default\/endknopf-violine-verschiedene-schaftstaerken.webp",

                                                                                                                                                                                                                                                "attributes": [
                                              {
                  "group_id": 12,
                  "group_name": "Schaftst\u00e4rke",
                  "value": "Schwach"
                }                                          ],
            "attribute_summary": "Schaftst\u00e4rke: Schwach",

            "price": {
              "delivery_country": false,
              "currency": "EUR",
              "currency_symbol": "\u20ac",
              "tax_rate": 19,
              "tax_excluded": 4.37,
              "tax_included": 5.20,
              "without_reduction_tax_excluded": 4.37,
              "without_reduction_tax_included": 5.20,
              "value_added_tax_included": true            },

            
            "availability": "https://schema.org/InStock",
            "quantity": 100,
            "minimal_quantity": 1,
            "action": {
              "type": "add_to_cart",
              "method": "GET",
              "enabled": true,
              "quantity": 1,
              "url": "https:\/\/musiccraft-instruments.com\/de\/warenkorb?add=1&id_product=153&id_product_attribute=472&qty=1&setCountry=0&setCurrency=1"
            }
          },                    {
            "@type": "Offer",
            "id_product": 153,
            "id_product_attribute": 473,
            "is_default": false,
            "sku": "834\/21-MI",
            "url": "https:\/\/musiccraft-instruments.com\/de\/p\/endknopf-violine-verschiedene-schaftstaerken-153.html",
            "image": "https:\/\/cdn3.musiccraft-instruments.com\/1-large_default\/endknopf-violine-verschiedene-schaftstaerken.webp",

                                                                                                                                                                                                                                                "attributes": [
                                              {
                  "group_id": 12,
                  "group_name": "Schaftst\u00e4rke",
                  "value": "Mittel"
                }                                          ],
            "attribute_summary": "Schaftst\u00e4rke: Mittel",

            "price": {
              "delivery_country": false,
              "currency": "EUR",
              "currency_symbol": "\u20ac",
              "tax_rate": 19,
              "tax_excluded": 4.37,
              "tax_included": 5.20,
              "without_reduction_tax_excluded": 4.37,
              "without_reduction_tax_included": 5.20,
              "value_added_tax_included": true            },

            
            "availability": "https://schema.org/InStock",
            "quantity": 100,
            "minimal_quantity": 1,
            "action": {
              "type": "add_to_cart",
              "method": "GET",
              "enabled": true,
              "quantity": 1,
              "url": "https:\/\/musiccraft-instruments.com\/de\/warenkorb?add=1&id_product=153&id_product_attribute=473&qty=1&setCountry=0&setCurrency=1"
            }
          }                        ],

      "pricing": {
        "scope": "default_variant",
        "default_id_product_attribute": 472,
        "delivery_country": false,
        "currency": "EUR",
        "currency_symbol": "\u20ac",
        "tax_rate": 19,
        "use_taxes": true,
        "show_taxes": true,
        "price_tax_included": 5.20,
        "price_tax_excluded": 4.37,
        "price_without_reduction": 4.37,
        "reduction_percent": 0,
        "reduction_price": 0      },

      "availability": {
        "status": "https://schema.org/InStock",
        "orderable": true,
        "available_for_order": true,
        "show_price": true,
        "quantity": 200,
        "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."
      }
    }
  }
}