{ "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": 84 }, "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=84&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=84&setCountry=0&setCurrency=1", "contexts": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/contexts?resource=product&id_product=84&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\/viola-22132-norbert-knappe-84.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\/viola-22132-norbert-knappe-84.html#product", "url": "https:\/\/musiccraft-instruments.com\/de\/p\/viola-22132-norbert-knappe-84.html", "urls": { "agent": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/product?id_product=84&setCountry=0&setCurrency=1", "contexts": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/contexts?resource=product&id_product=84&setCountry=0&setCurrency=1", "human": "https:\/\/musiccraft-instruments.com\/de\/p\/viola-22132-norbert-knappe-84.html" }, "id_product": 84, "name": "Viola 22132 \u2013 Klang mit echter Substanz", "description": "Handgefertigte Meisterviola von Norbert Knappe mit kraftvollem, warmem Klang und au\u00dfergew\u00f6hnlicher Tiefe.", "full_description": "Die besten Instrumente versuchen nicht, perfekt zu wirken. Sie wirken echt. Die Viola 22132 von Norbert Knappe klingt genau so. Warm, dunkel und voller Charakter entwickelt sie einen Klang, der nicht einfach nur h\u00f6rbar ist, sondern im Raum stehen bleibt. Jede Note tr\u00e4gt Gewicht. Jede Bewegung des Bogens ver\u00e4ndert sp\u00fcrbar die Farbe des Tons. Und genau dort beginnt der Unterschied zwischen einem Instrument und einem musikalischen Partner. Die handwerkliche Bauweise und die sorgf\u00e4ltig ausgew\u00e4hlten Tonh\u00f6lzer sorgen f\u00fcr eine au\u00dfergew\u00f6hnlich offene Ansprache und eine beeindruckende Dynamik. Leise Passagen bleiben weich und kontrolliert, w\u00e4hrend kr\u00e4ftige B\u00f6gen eine enorme Tiefe und Pr\u00e4senz entwickeln. Die Viola 22132 reagiert nicht nur auf Technik. Sondern auf Pers\u00f6nlichkeit. Gerade bei einer Viola entscheidet oft die Feinheit im Klang dar\u00fcber, ob Musik ber\u00fchrt oder einfach nur korrekt klingt. Genau deshalb wirkt dieses Instrument so lebendig. Es entwickelt W\u00e4rme, Spannung und Ausdruck statt steriler Pr\u00e4zision. Ob Kammermusik, Ensemble, Filmmusik oder moderne Arrangements \u2013 die Viola 22132 bleibt flexibel und gleichzeitig voller eigener Identit\u00e4t. F\u00fcr fortgeschrittene Spieler. F\u00fcr ambitionierte Musiker. F\u00fcr Menschen, die Klang nicht nur h\u00f6ren wollen. Sondern f\u00fchlen. Nicht perfekt. Aber deiner. Handgefertigt von Norbert Knappe. Traditionelle Geigenbaukunst aus Deutschland.", "additional_text": "Handgefertigte Meisterviola von Norbert Knappe \n Warmer, dunkler und tragf\u00e4higer Klangcharakter \n Sehr feine Ansprache und gro\u00dfe Dynamik \n Traditionelle Bauweise mit hochwertigen Tonh\u00f6lzern \n Handaufgetragene Lackierung \n Geeignet f\u00fcr Ensemble- und Solospiel \n Ideal f\u00fcr Klassik, Kammermusik und moderne Musik \n F\u00fcr fortgeschrittene und ambitionierte Spieler \n Traditionelle Handwerkskunst \n Made in Germany", "sku": "210\/22132", "mpn": "210\/22132", "ean13": "", "upc": "", "brand": { "@type": "Brand", "name": "Norbert Knappe Master Violin Maker", "url": "https:\/\/musiccraft-instruments.com\/de\/norbert-knappe-master-violin-maker_14" }, "manufacturer": { "@type": "Organization", "id_manufacturer": 14, "name": "Norbert Knappe Master Violin Maker", "url": "https:\/\/musiccraft-instruments.com\/de\/norbert-knappe-master-violin-maker_14" }, "supplier": { "@type": "Organization", "id_supplier": 1, "name": "Migma e.G." }, "main_category": { "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" } }, "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": 3, "name": "Produkttyp", "value": "Einzelartikel" }, { "id_feature": 15, "id_feature_value": 130, "name": "Besteuerung", "value": "Standard Rate" }, { "id_feature": 9, "id_feature_value": 149, "name": "Instrument", "value": "Viola" }, { "id_feature": 22, "id_feature_value": 171, "name": "Einsatzbereich", "value": "Anf\u00e4nger" }, { "id_feature": 22, "id_feature_value": 173, "name": "Einsatzbereich", "value": "B\u00fchne" }, { "id_feature": 22, "id_feature_value": 172, "name": "Einsatzbereich", "value": "Fortgeschrittene" }, { "id_feature": 22, "id_feature_value": 174, "name": "Einsatzbereich", "value": "Studio" }, { "id_feature": 2, "id_feature_value": 502, "name": "Besonderheit", "value": "Verschiedene Varianten" } ], "agent_faqs": [ ], "images": [ { "id_image": 2131, "cover": true, "position": 1, "legend": "Viola 22132 \u2013 Klang mit echter Substanz", "url": "https:\/\/cdn2.musiccraft-instruments.com\/2131-large_default\/viola-22132-norbert-knappe.webp" } ], "shipping_weight": { "@type": "QuantitativeValue", "value": 1.5, "unitCode": "KGM", "note": "Shipping weight, not product content." }, "variant_model": { "has_variants": true, "variant_count": 7, "default_id_product_attribute": 161 }, "offers": { "@type": "Offer", "offer_scope": "default_variant", "id_product": 84, "id_product_attribute": 161, "url": "https:\/\/musiccraft-instruments.com\/de\/p\/viola-22132-norbert-knappe-84.html", "price": 5780.00, "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": 5780.00, "priceCurrency": "EUR", "valueAddedTaxIncluded": true } }, "variant_offers": [ { "@type": "Offer", "id_product": 84, "id_product_attribute": 161, "is_default": true, "sku": "210\/22132-390", "url": "https:\/\/musiccraft-instruments.com\/de\/p\/viola-22132-norbert-knappe-84.html", "image": "https:\/\/cdn1.musiccraft-instruments.com\/1-large_default\/viola-22132-norbert-knappe.webp", "attributes": [ { "group_id": 10, "group_name": "Gr\u00f6\u00dfe", "value": "39 cm" } ], "attribute_summary": "Gr\u00f6\u00dfe: 39 cm", "price": { "delivery_country": false, "currency": "EUR", "currency_symbol": "\u20ac", "tax_rate": 19, "tax_excluded": 4857.14, "tax_included": 5780.00, "without_reduction_tax_excluded": 4857.14, "without_reduction_tax_included": 5780.00, "value_added_tax_included": true }, "availability": "https://schema.org/InStock", "quantity": 2, "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=84&id_product_attribute=161&qty=1&setCountry=0&setCurrency=1" } }, { "@type": "Offer", "id_product": 84, "id_product_attribute": 162, "is_default": false, "sku": "210\/22132-395", "url": "https:\/\/musiccraft-instruments.com\/de\/p\/viola-22132-norbert-knappe-84.html", "image": "https:\/\/cdn1.musiccraft-instruments.com\/1-large_default\/viola-22132-norbert-knappe.webp", "attributes": [ { "group_id": 10, "group_name": "Gr\u00f6\u00dfe", "value": "39,50 cm" } ], "attribute_summary": "Gr\u00f6\u00dfe: 39,50 cm", "price": { "delivery_country": false, "currency": "EUR", "currency_symbol": "\u20ac", "tax_rate": 19, "tax_excluded": 4857.14, "tax_included": 5780.00, "without_reduction_tax_excluded": 4857.14, "without_reduction_tax_included": 5780.00, "value_added_tax_included": true }, "availability": "https://schema.org/InStock", "quantity": 2, "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=84&id_product_attribute=162&qty=1&setCountry=0&setCurrency=1" } }, { "@type": "Offer", "id_product": 84, "id_product_attribute": 163, "is_default": false, "sku": "210\/22132-400", "url": "https:\/\/musiccraft-instruments.com\/de\/p\/viola-22132-norbert-knappe-84.html", "image": "https:\/\/cdn1.musiccraft-instruments.com\/1-large_default\/viola-22132-norbert-knappe.webp", "attributes": [ { "group_id": 10, "group_name": "Gr\u00f6\u00dfe", "value": "40,00 cm" } ], "attribute_summary": "Gr\u00f6\u00dfe: 40,00 cm", "price": { "delivery_country": false, "currency": "EUR", "currency_symbol": "\u20ac", "tax_rate": 19, "tax_excluded": 4857.14, "tax_included": 5780.00, "without_reduction_tax_excluded": 4857.14, "without_reduction_tax_included": 5780.00, "value_added_tax_included": true }, "availability": "https://schema.org/InStock", "quantity": 2, "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=84&id_product_attribute=163&qty=1&setCountry=0&setCurrency=1" } }, { "@type": "Offer", "id_product": 84, "id_product_attribute": 164, "is_default": false, "sku": "210\/22132-405", "url": "https:\/\/musiccraft-instruments.com\/de\/p\/viola-22132-norbert-knappe-84.html", "image": "https:\/\/cdn1.musiccraft-instruments.com\/1-large_default\/viola-22132-norbert-knappe.webp", "attributes": [ { "group_id": 10, "group_name": "Gr\u00f6\u00dfe", "value": "40,50 cm" } ], "attribute_summary": "Gr\u00f6\u00dfe: 40,50 cm", "price": { "delivery_country": false, "currency": "EUR", "currency_symbol": "\u20ac", "tax_rate": 19, "tax_excluded": 4857.14, "tax_included": 5780.00, "without_reduction_tax_excluded": 4857.14, "without_reduction_tax_included": 5780.00, "value_added_tax_included": true }, "availability": "https://schema.org/InStock", "quantity": 2, "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=84&id_product_attribute=164&qty=1&setCountry=0&setCurrency=1" } }, { "@type": "Offer", "id_product": 84, "id_product_attribute": 165, "is_default": false, "sku": "210\/22132-410", "url": "https:\/\/musiccraft-instruments.com\/de\/p\/viola-22132-norbert-knappe-84.html", "image": "https:\/\/cdn1.musiccraft-instruments.com\/1-large_default\/viola-22132-norbert-knappe.webp", "attributes": [ { "group_id": 10, "group_name": "Gr\u00f6\u00dfe", "value": "41,00 cm" } ], "attribute_summary": "Gr\u00f6\u00dfe: 41,00 cm", "price": { "delivery_country": false, "currency": "EUR", "currency_symbol": "\u20ac", "tax_rate": 19, "tax_excluded": 4857.14, "tax_included": 5780.00, "without_reduction_tax_excluded": 4857.14, "without_reduction_tax_included": 5780.00, "value_added_tax_included": true }, "availability": "https://schema.org/InStock", "quantity": 2, "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=84&id_product_attribute=165&qty=1&setCountry=0&setCurrency=1" } }, { "@type": "Offer", "id_product": 84, "id_product_attribute": 166, "is_default": false, "sku": "210\/22132-415", "url": "https:\/\/musiccraft-instruments.com\/de\/p\/viola-22132-norbert-knappe-84.html", "image": "https:\/\/cdn1.musiccraft-instruments.com\/1-large_default\/viola-22132-norbert-knappe.webp", "attributes": [ { "group_id": 10, "group_name": "Gr\u00f6\u00dfe", "value": "41,50 cm" } ], "attribute_summary": "Gr\u00f6\u00dfe: 41,50 cm", "price": { "delivery_country": false, "currency": "EUR", "currency_symbol": "\u20ac", "tax_rate": 19, "tax_excluded": 4857.14, "tax_included": 5780.00, "without_reduction_tax_excluded": 4857.14, "without_reduction_tax_included": 5780.00, "value_added_tax_included": true }, "availability": "https://schema.org/InStock", "quantity": 2, "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=84&id_product_attribute=166&qty=1&setCountry=0&setCurrency=1" } }, { "@type": "Offer", "id_product": 84, "id_product_attribute": 167, "is_default": false, "sku": "210\/22132-420", "url": "https:\/\/musiccraft-instruments.com\/de\/p\/viola-22132-norbert-knappe-84.html", "image": "https:\/\/cdn1.musiccraft-instruments.com\/1-large_default\/viola-22132-norbert-knappe.webp", "attributes": [ { "group_id": 10, "group_name": "Gr\u00f6\u00dfe", "value": "42,00 cm" } ], "attribute_summary": "Gr\u00f6\u00dfe: 42,00 cm", "price": { "delivery_country": false, "currency": "EUR", "currency_symbol": "\u20ac", "tax_rate": 19, "tax_excluded": 4857.14, "tax_included": 5780.00, "without_reduction_tax_excluded": 4857.14, "without_reduction_tax_included": 5780.00, "value_added_tax_included": true }, "availability": "https://schema.org/InStock", "quantity": 2, "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=84&id_product_attribute=167&qty=1&setCountry=0&setCurrency=1" } } ], "pricing": { "scope": "default_variant", "default_id_product_attribute": 161, "delivery_country": false, "currency": "EUR", "currency_symbol": "\u20ac", "tax_rate": 19, "use_taxes": true, "show_taxes": true, "price_tax_included": 5780.00, "price_tax_excluded": 4857.14, "price_without_reduction": 4857.14, "reduction_percent": 0, "reduction_price": 0 }, "availability": { "status": "https://schema.org/InStock", "orderable": true, "available_for_order": true, "show_price": true, "quantity": 14, "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." } } } }