{ "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": 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": 804 }, "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=804&setCountry=1&setCurrency=1", "agent": { "root": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/root?setCountry=1&setCurrency=1", "sitemap": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/sitemap?setCountry=1&setCurrency=1", "search": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/search?setCountry=1&setCurrency=1", "cart": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/cart?setCountry=1&setCurrency=1", "product": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/product?id_product=804&setCountry=1&setCurrency=1", "contexts": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/contexts?resource=product&id_product=804&setCountry=1&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\/violine-4-4-stradivari-antonius-stradivarius-zettel-804.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\/violine-4-4-stradivari-antonius-stradivarius-zettel-804.html#product", "url": "https:\/\/musiccraft-instruments.com\/de\/p\/violine-4-4-stradivari-antonius-stradivarius-zettel-804.html", "urls": { "agent": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/product?id_product=804&setCountry=1&setCurrency=1", "contexts": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/contexts?resource=product&id_product=804&setCountry=1&setCurrency=1", "human": "https:\/\/musiccraft-instruments.com\/de\/p\/violine-4-4-stradivari-antonius-stradivarius-zettel-804.html" }, "id_product": 804, "name": "Gespielte Violine 4\/4 \u2013 Stradivari-Modell mit Zettel Antonius Stradivarius", "description": "Gespielte 4\/4-Violine im Stradivari-Modell mit Zettel Antonius Stradivarius, ca. 50 bis 60 Jahre alt, vom Geigenbaumeister \u00fcberpr\u00fcft und nachgearbeitet.", "full_description": "Diese gespielte Violine in 4\/4-Gr\u00f6\u00dfe ist ein Einzelst\u00fcck im Stradivari-Modell und tr\u00e4gt laut Produktangabe einen Zettel mit der Aufschrift Antonius Stradivarius. Das Instrument ist etwa 50 bis 60 Jahre alt und wurde von einem Geigenbaumeister \u00fcberpr\u00fcft und nachgearbeitet. Zur Ausstattung geh\u00f6ren eine Buchsbaumgarnitur sowie Dominant-Saiten von Thomastik. Damit verbindet das gebrauchte Instrument den individuellen Charakter einer \u00e4lteren Violine mit einer fachm\u00e4nnischen \u00dcberpr\u00fcfung und Nacharbeitung. Die Violine ist laut Produktvariante einzeln oder im Set mit Etui und Bogen erh\u00e4ltlich. Der vorhandene Antonius-Stradivarius-Zettel wird dabei als Merkmal des Instruments angegeben und stellt keine weitergehende Zuschreibung des tats\u00e4chlichen Erbauers dar.", "additional_text": "Produkttyp: gespielte Violine \n Gr\u00f6\u00dfe: 4\/4 \n Zustand: gebraucht \n Einzelst\u00fcck \n Modell: Stradivari \n Alter: ca. 50 bis 60 Jahre \n Zettel: Antonius Stradivarius \n Vom Geigenbaumeister \u00fcberpr\u00fcft und nachgearbeitet \n Garnitur: Buchsbaum \n Saiten: Thomastik Dominant \n Erh\u00e4ltlich als einzelnes Instrument oder im Set mit Etui und Bogen", "sku": "901\/3265", "mpn": "901\/3265", "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": 7, "name": "Restauration", "link_rewrite": "restauration", "urls": { "agent": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/category?id_category=7&setCountry=1&setCurrency=1", "human": "https:\/\/musiccraft-instruments.com\/de\/restauration-7" } }, "categories": [ { "id_category": 4, "name": "Instrumente", "link_rewrite": "instrumente", "urls": { "agent": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/category?id_category=4&setCountry=1&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=1&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=1&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=1&setCurrency=1", "human": "https:\/\/musiccraft-instruments.com\/de\/highlight-5" } } ], "features": [ { "id_feature": 1, "id_feature_value": 499, "name": "Produkttyp", "value": "Historisch & Restauriert" }, { "id_feature": 1, "id_feature_value": 3, "name": "Produkttyp", "value": "Einzelartikel" }, { "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": 2, "id_feature_value": 502, "name": "Besonderheit", "value": "Verschiedene Varianten" }, { "id_feature": 2, "id_feature_value": 501, "name": "Besonderheit", "value": "Unikat" }, { "id_feature": 18, "id_feature_value": 361, "name": " Kernmaterial", "value": "Buchsbaum" }, { "id_feature": 4, "id_feature_value": 154, "name": "Kondition", "value": "aufbereitet" }, { "id_feature": 4, "id_feature_value": 153, "name": "Kondition", "value": "gebraucht" } ], "agent_faqs": [ ], "images": [ { "id_image": 3783, "cover": true, "position": 1, "legend": "Gespielte Violine 4\/4 \u2013 Stradivari-Modell mit Zettel Antonius Stradivarius", "url": "https:\/\/cdn2.musiccraft-instruments.com\/3783-large_default\/violine-4-4-stradivari-antonius-stradivarius-zettel.webp" }, { "id_image": 3782, "cover": false, "position": 2, "legend": "Gespielte Violine 4\/4 \u2013 Stradivari-Modell mit Zettel Antonius Stradivarius", "url": "https:\/\/cdn1.musiccraft-instruments.com\/3782-large_default\/violine-4-4-stradivari-antonius-stradivarius-zettel.webp" }, { "id_image": 3784, "cover": false, "position": 3, "legend": "Gespielte Violine 4\/4 \u2013 Stradivari-Modell mit Zettel Antonius Stradivarius", "url": "https:\/\/cdn3.musiccraft-instruments.com\/3784-large_default\/violine-4-4-stradivari-antonius-stradivarius-zettel.webp" }, { "id_image": 3779, "cover": false, "position": 4, "legend": "Gespielte Violine 4\/4 \u2013 Stradivari-Modell mit Zettel Antonius Stradivarius", "url": "https:\/\/cdn3.musiccraft-instruments.com\/3779-large_default\/violine-4-4-stradivari-antonius-stradivarius-zettel.webp" }, { "id_image": 3780, "cover": false, "position": 5, "legend": "Gespielte Violine 4\/4 \u2013 Stradivari-Modell mit Zettel Antonius Stradivarius", "url": "https:\/\/cdn2.musiccraft-instruments.com\/3780-large_default\/violine-4-4-stradivari-antonius-stradivarius-zettel.webp" }, { "id_image": 3781, "cover": false, "position": 6, "legend": "Gespielte Violine 4\/4 \u2013 Stradivari-Modell mit Zettel Antonius Stradivarius", "url": "https:\/\/cdn2.musiccraft-instruments.com\/3781-large_default\/violine-4-4-stradivari-antonius-stradivarius-zettel.webp" } ], "shipping_weight": { "@type": "QuantitativeValue", "value": 2, "unitCode": "KGM", "note": "Shipping weight, not product content." }, "variant_model": { "has_variants": true, "variant_count": 2, "default_id_product_attribute": 1117 }, "offers": { "@type": "Offer", "offer_scope": "default_variant", "id_product": 804, "id_product_attribute": 1117, "url": "https:\/\/musiccraft-instruments.com\/de\/p\/violine-4-4-stradivari-antonius-stradivarius-zettel-804.html", "price": 950.00, "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": 950.00, "priceCurrency": "EUR", "valueAddedTaxIncluded": true } }, "variant_offers": [ { "@type": "Offer", "id_product": 804, "id_product_attribute": 1117, "is_default": true, "sku": "901\/3265-1", "url": "https:\/\/musiccraft-instruments.com\/de\/p\/violine-4-4-stradivari-antonius-stradivarius-zettel-804.html", "image": "https:\/\/cdn2.musiccraft-instruments.com\/1-large_default\/violine-4-4-stradivari-antonius-stradivarius-zettel.webp", "attributes": [ { "group_id": 28, "group_name": "Variante", "value": "Instrument einzeln" } ], "attribute_summary": "Variante: Instrument einzeln", "price": { "delivery_country": "DE", "currency": "EUR", "currency_symbol": "\u20ac", "tax_rate": 19, "tax_excluded": 798.32, "tax_included": 950.00, "without_reduction_tax_excluded": 798.32, "without_reduction_tax_included": 950.00, "value_added_tax_included": true }, "availability": "https://schema.org/InStock", "quantity": 1, "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=804&id_product_attribute=1117&qty=1&setCountry=1&setCurrency=1" } }, { "@type": "Offer", "id_product": 804, "id_product_attribute": 1116, "is_default": false, "sku": "901\/3265-2", "url": "https:\/\/musiccraft-instruments.com\/de\/p\/violine-4-4-stradivari-antonius-stradivarius-zettel-804.html", "image": "https:\/\/cdn2.musiccraft-instruments.com\/1-large_default\/violine-4-4-stradivari-antonius-stradivarius-zettel.webp", "attributes": [ { "group_id": 28, "group_name": "Variante", "value": "Instrument im Set mit Etui und Bogen" } ], "attribute_summary": "Variante: Instrument im Set mit Etui und Bogen", "price": { "delivery_country": "DE", "currency": "EUR", "currency_symbol": "\u20ac", "tax_rate": 19, "tax_excluded": 882.35, "tax_included": 1050.00, "without_reduction_tax_excluded": 882.35, "without_reduction_tax_included": 1050.00, "value_added_tax_included": true }, "availability": "https://schema.org/InStock", "quantity": 1, "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=804&id_product_attribute=1116&qty=1&setCountry=1&setCurrency=1" } } ], "pricing": { "scope": "default_variant", "default_id_product_attribute": 1117, "delivery_country": "DE", "currency": "EUR", "currency_symbol": "\u20ac", "tax_rate": 19, "use_taxes": true, "show_taxes": true, "price_tax_included": 950.00, "price_tax_excluded": 798.32, "price_without_reduction": 798.32, "reduction_percent": 0, "reduction_price": 0 }, "availability": { "status": "https://schema.org/InStock", "orderable": true, "available_for_order": true, "show_price": true, "quantity": 2, "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." } } } }