{ "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": 809 }, "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=809&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=809&setCountry=1&setCurrency=1", "contexts": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/contexts?resource=product&id_product=809&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\/caecilia-violine-nr-388-4-4-809.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\/caecilia-violine-nr-388-4-4-809.html#product", "url": "https:\/\/musiccraft-instruments.com\/de\/p\/caecilia-violine-nr-388-4-4-809.html", "urls": { "agent": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/product?id_product=809&setCountry=1&setCurrency=1", "contexts": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/contexts?resource=product&id_product=809&setCountry=1&setCurrency=1", "human": "https:\/\/musiccraft-instruments.com\/de\/p\/caecilia-violine-nr-388-4-4-809.html" }, "id_product": 809, "name": "Gespielte Violine 4\/4 \u2013 C\u00e4cilia-Violine Nr. 388 mit Etui und Bogen", "description": "Gespielte 4\/4-Violine mit Zettel C\u00e4cilia-Violine Nr. 388 und Antonius Stradivarius, ca. 50 bis 60 Jahre alt, vom Geigenbaumeister \u00fcberpr\u00fcft und \u00fcberholt.", "full_description": "Diese gespielte Violine in 4\/4-Gr\u00f6\u00dfe ist ein Einzelst\u00fcck mit dem Zettel C\u00e4cilia-Violine Nr. 388 sowie der Angabe Antonius Stradivarius. Das Instrument ist etwa 50 bis 60 Jahre alt und wurde von einem Geigenbaumeister \u00fcberpr\u00fcft und \u00fcberholt. Besonders auff\u00e4llig ist der ganze, sch\u00f6n geflammte Boden. Die Violine wird als sch\u00f6ne Arbeit beschrieben und wurde wahrscheinlich in Bubenreuth hergestellt. Das Instrument ist wahlweise einzeln oder im Set mit Etui und Bogen erh\u00e4ltlich. Die Angaben auf dem Zettel sowie die vermutete Herkunft aus Bubenreuth werden als Merkmale beziehungsweise Einsch\u00e4tzungen zum Instrument wiedergegeben und stellen keine weitergehende gesicherte Herstellerzuschreibung dar.", "additional_text": "Produkttyp: gespielte Violine \n Gr\u00f6\u00dfe: 4\/4 \n Zustand: gebraucht \n Einzelst\u00fcck \n Modell: C\u00e4cilia-Violine Nr. 388 \n Zettel: C\u00e4cilia-Violine Nr. 388 \/ Antonius Stradivarius \n Alter: ca. 50 bis 60 Jahre \n Boden: ganz, sch\u00f6n geflammt \n Ausf\u00fchrung: sch\u00f6ne Arbeit \n Wahrscheinlich in Bubenreuth hergestellt \n Vom Geigenbaumeister \u00fcberpr\u00fcft und \u00fcberholt \n Erh\u00e4ltlich als einzelnes Instrument oder im Set mit Etui und Bogen", "sku": "901\/3278", "mpn": "901\/3278", "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": 501, "name": "Besonderheit", "value": "Unikat" }, { "id_feature": 2, "id_feature_value": 502, "name": "Besonderheit", "value": "Verschiedene Varianten" }, { "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": 3808, "cover": true, "position": 1, "legend": "Gespielte Violine 4\/4 \u2013 C\u00e4cilia-Violine Nr. 388 mit Etui und Bogen", "url": "https:\/\/cdn1.musiccraft-instruments.com\/3808-large_default\/caecilia-violine-nr-388-4-4.webp" }, { "id_image": 3807, "cover": false, "position": 2, "legend": "Gespielte Violine 4\/4 \u2013 C\u00e4cilia-Violine Nr. 388 mit Etui und Bogen", "url": "https:\/\/cdn2.musiccraft-instruments.com\/3807-large_default\/caecilia-violine-nr-388-4-4.webp" }, { "id_image": 3809, "cover": false, "position": 3, "legend": "Gespielte Violine 4\/4 \u2013 C\u00e4cilia-Violine Nr. 388 mit Etui und Bogen", "url": "https:\/\/cdn3.musiccraft-instruments.com\/3809-large_default\/caecilia-violine-nr-388-4-4.webp" }, { "id_image": 3804, "cover": false, "position": 4, "legend": "Gespielte Violine 4\/4 \u2013 C\u00e4cilia-Violine Nr. 388 mit Etui und Bogen", "url": "https:\/\/cdn3.musiccraft-instruments.com\/3804-large_default\/caecilia-violine-nr-388-4-4.webp" }, { "id_image": 3805, "cover": false, "position": 5, "legend": "Gespielte Violine 4\/4 \u2013 C\u00e4cilia-Violine Nr. 388 mit Etui und Bogen", "url": "https:\/\/cdn2.musiccraft-instruments.com\/3805-large_default\/caecilia-violine-nr-388-4-4.webp" }, { "id_image": 3806, "cover": false, "position": 6, "legend": "Gespielte Violine 4\/4 \u2013 C\u00e4cilia-Violine Nr. 388 mit Etui und Bogen", "url": "https:\/\/cdn1.musiccraft-instruments.com\/3806-large_default\/caecilia-violine-nr-388-4-4.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": 1121 }, "offers": { "@type": "Offer", "offer_scope": "default_variant", "id_product": 809, "id_product_attribute": 1121, "url": "https:\/\/musiccraft-instruments.com\/de\/p\/caecilia-violine-nr-388-4-4-809.html", "price": 1790.00, "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": 1790.00, "priceCurrency": "EUR", "valueAddedTaxIncluded": true } }, "variant_offers": [ { "@type": "Offer", "id_product": 809, "id_product_attribute": 1121, "is_default": true, "sku": "901\/3278-1", "url": "https:\/\/musiccraft-instruments.com\/de\/p\/caecilia-violine-nr-388-4-4-809.html", "image": "https:\/\/cdn1.musiccraft-instruments.com\/3808-large_default\/caecilia-violine-nr-388-4-4.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": 1504.20, "tax_included": 1790.00, "without_reduction_tax_excluded": 1504.20, "without_reduction_tax_included": 1790.00, "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=809&id_product_attribute=1121&qty=1&setCountry=1&setCurrency=1" } }, { "@type": "Offer", "id_product": 809, "id_product_attribute": 1120, "is_default": false, "sku": "901\/3278-2", "url": "https:\/\/musiccraft-instruments.com\/de\/p\/caecilia-violine-nr-388-4-4-809.html", "image": "https:\/\/cdn3.musiccraft-instruments.com\/3809-large_default\/caecilia-violine-nr-388-4-4.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": 1588.24, "tax_included": 1890.00, "without_reduction_tax_excluded": 1588.24, "without_reduction_tax_included": 1890.00, "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=809&id_product_attribute=1120&qty=1&setCountry=1&setCurrency=1" } } ], "pricing": { "scope": "default_variant", "default_id_product_attribute": 1121, "delivery_country": "DE", "currency": "EUR", "currency_symbol": "\u20ac", "tax_rate": 19, "use_taxes": true, "show_taxes": true, "price_tax_included": 1790.00, "price_tax_excluded": 1504.20, "price_without_reduction": 1504.20, "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." } } } }