{ "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": 86 }, "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=86&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=86&setCountry=0&setCurrency=1", "contexts": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/contexts?resource=product&id_product=86&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\/cello-20849-klaus-karin-wunderlich-86.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\/cello-20849-klaus-karin-wunderlich-86.html#product", "url": "https:\/\/musiccraft-instruments.com\/de\/p\/cello-20849-klaus-karin-wunderlich-86.html", "urls": { "agent": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/product?id_product=86&setCountry=0&setCurrency=1", "contexts": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/contexts?resource=product&id_product=86&setCountry=0&setCurrency=1", "human": "https:\/\/musiccraft-instruments.com\/de\/p\/cello-20849-klaus-karin-wunderlich-86.html" }, "id_product": 86, "name": "Cello 20849 \u2013 Gebaut f\u00fcr Klang mit Pers\u00f6nlichkeit", "description": "Handgefertigtes Meistercello von Klaus Wunderlich nach Guarneri- oder Stradivari-Modell mit altem Resonanzholz, kraftvollem Klang und au\u00dfergew\u00f6hnlicher Tiefe.", "full_description": "Manche Instrumente spielen sauber. Und manche entwickeln eine eigene Stimme. Das Cello 20849 von Klaus Wunderlich geh\u00f6rt klar zur zweiten Kategorie. Dieses hochwertige Meistercello wird vollst\u00e4ndig von Hand gefertigt und verbindet traditionelle Geigenbaukunst mit einem Klangbild voller W\u00e4rme, Tiefe und Ausdruck. Gebaut nach eigenem Modell auf Basis klassischer Guarneri- oder Stradivari-Vorbilder entsteht hier kein steriles Serieninstrument, sondern ein Cello mit echter Pers\u00f6nlichkeit. Das ausgesuchte alte Resonanzholz verleiht dem Instrument eine bemerkenswerte Offenheit und Reife im Klang. Besonders die Kombination aus fein geflammtem Ahorn und sorgf\u00e4ltig gearbeiteter Fichtendecke sorgt f\u00fcr eine au\u00dfergew\u00f6hnlich lebendige Ansprache und eine enorme klangliche Tiefe. Jeder Ton entwickelt Substanz. Jede Phrase bekommt Charakter. Dieses Cello reagiert nicht nur auf Technik. Es reagiert auf Ausdruck. Die kraftvollen Tiefen wirken warm und tragf\u00e4hig, w\u00e4hrend die h\u00f6heren Register klar, singend und differenziert bleiben. Genau diese Balance macht hochwertige Streichinstrumente so besonders: Sie bleiben kontrollierbar und gleichzeitig emotional offen. Die feine Lackierung unterstreicht die handwerkliche Qualit\u00e4t zus\u00e4tzlich und verleiht dem Instrument eine elegante, lebendige Ausstrahlung. Erg\u00e4nzt wird das Cello durch eine hochwertige Ebenholzgarnitur sowie die traditionelle Signatur mit Zettel und Brandstempel \u201eKlaus Wunderlich\u201c. Erh\u00e4ltlich in 4\/4 oder 7\/8 Gr\u00f6\u00dfe richtet sich dieses Instrument an fortgeschrittene Musiker, ambitionierte Cellisten und Spieler mit hohen klanglichen Anspr\u00fcchen. F\u00fcr Menschen, die Musik nicht nur korrekt spielen wollen. Sondern erz\u00e4hlen. Nicht glatt. Nicht austauschbar. Sondern echt. Handgefertigt von Klaus Wunderlich. Traditionelle deutsche Meisterwerkstatt.", "additional_text": "Handgefertigtes Meistercello von Klaus Wunderlich \n Eigenes Modell nach Guarneri oder Stradivari \n Erh\u00e4ltlich in 4\/4 oder 7\/8 Gr\u00f6\u00dfe \n Ausgesuchtes altes Resonanzholz \n Fein geflammter Ahorn \n Sorgf\u00e4ltig gearbeitete Fichtendecke \n In allen Teilen von Hand gefertigt \n Hochwertige Ebenholzgarnitur \n Feine handaufgetragene Lackierung \n Signiert mit Zettel und Brandstempel \u201eKlaus Wunderlich\u201c \n Warmer, tragf\u00e4higer und ausdrucksstarker Klang \n F\u00fcr fortgeschrittene und ambitionierte Spieler \n Traditionelle Handwerkskunst \n Made in Germany", "sku": "208\/20849", "mpn": "208\/20849", "ean13": "", "upc": "", "brand": { "@type": "Brand", "name": "Klaus & Karin Wunderlich Geigenbaumeister", "url": "https:\/\/musiccraft-instruments.com\/de\/klaus-karin-wunderlich-geigenbaumeister_15" }, "manufacturer": { "@type": "Organization", "id_manufacturer": 15, "name": "Klaus & Karin Wunderlich Geigenbaumeister", "url": "https:\/\/musiccraft-instruments.com\/de\/klaus-karin-wunderlich-geigenbaumeister_15" }, "supplier": { "@type": "Organization", "id_supplier": 1, "name": "Migma e.G." }, "main_category": { "id_category": 23, "name": "Celli", "link_rewrite": "celli", "urls": { "agent": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/category?id_category=23&setCountry=0&setCurrency=1", "human": "https:\/\/musiccraft-instruments.com\/de\/celli-23" } }, "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": 325, "name": "Instrument", "value": "Cello" }, { "id_feature": 22, "id_feature_value": 172, "name": "Einsatzbereich", "value": "Fortgeschrittene" }, { "id_feature": 22, "id_feature_value": 174, "name": "Einsatzbereich", "value": "Studio" }, { "id_feature": 22, "id_feature_value": 173, "name": "Einsatzbereich", "value": "B\u00fchne" }, { "id_feature": 2, "id_feature_value": 502, "name": "Besonderheit", "value": "Verschiedene Varianten" } ], "agent_faqs": [ ], "images": [ { "id_image": 2137, "cover": true, "position": 1, "legend": "Cello 20849 \u2013 Gebaut f\u00fcr Klang mit Pers\u00f6nlichkeit", "url": "https:\/\/cdn3.musiccraft-instruments.com\/2137-large_default\/cello-20849-klaus-karin-wunderlich.webp" }, { "id_image": 2141, "cover": false, "position": 2, "legend": "Cello 20849 \u2013 Gebaut f\u00fcr Klang mit Pers\u00f6nlichkeit", "url": "https:\/\/cdn1.musiccraft-instruments.com\/2141-large_default\/cello-20849-klaus-karin-wunderlich.webp" }, { "id_image": 2140, "cover": false, "position": 3, "legend": "Cello 20849 \u2013 Gebaut f\u00fcr Klang mit Pers\u00f6nlichkeit", "url": "https:\/\/cdn3.musiccraft-instruments.com\/2140-large_default\/cello-20849-klaus-karin-wunderlich.webp" }, { "id_image": 2138, "cover": false, "position": 4, "legend": "Cello 20849 \u2013 Gebaut f\u00fcr Klang mit Pers\u00f6nlichkeit", "url": "https:\/\/cdn3.musiccraft-instruments.com\/2138-large_default\/cello-20849-klaus-karin-wunderlich.webp" }, { "id_image": 2139, "cover": false, "position": 5, "legend": "Cello 20849 \u2013 Gebaut f\u00fcr Klang mit Pers\u00f6nlichkeit", "url": "https:\/\/cdn3.musiccraft-instruments.com\/2139-large_default\/cello-20849-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": 170 }, "offers": { "@type": "Offer", "offer_scope": "default_variant", "id_product": 86, "id_product_attribute": 170, "url": "https:\/\/musiccraft-instruments.com\/de\/p\/cello-20849-klaus-karin-wunderlich-86.html", "price": 16040.00, "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": 16040.00, "priceCurrency": "EUR", "valueAddedTaxIncluded": true } }, "variant_offers": [ { "@type": "Offer", "id_product": 86, "id_product_attribute": 170, "is_default": true, "sku": "208\/20849-44", "url": "https:\/\/musiccraft-instruments.com\/de\/p\/cello-20849-klaus-karin-wunderlich-86.html", "image": "https:\/\/cdn2.musiccraft-instruments.com\/1-large_default\/cello-20849-klaus-karin-wunderlich.webp", "attributes": [ { "group_id": 10, "group_name": "Gr\u00f6\u00dfe", "value": "4\/4 Gr\u00f6\u00dfe" } ], "attribute_summary": "Gr\u00f6\u00dfe: 4\/4 Gr\u00f6\u00dfe", "price": { "delivery_country": false, "currency": "EUR", "currency_symbol": "\u20ac", "tax_rate": 19, "tax_excluded": 13478.99, "tax_included": 16040.00, "without_reduction_tax_excluded": 13478.99, "without_reduction_tax_included": 16040.00, "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\/de\/warenkorb?add=1&id_product=86&id_product_attribute=170&qty=1&setCountry=0&setCurrency=1" } }, { "@type": "Offer", "id_product": 86, "id_product_attribute": 171, "is_default": false, "sku": "208\/20849-78", "url": "https:\/\/musiccraft-instruments.com\/de\/p\/cello-20849-klaus-karin-wunderlich-86.html", "image": "https:\/\/cdn2.musiccraft-instruments.com\/1-large_default\/cello-20849-klaus-karin-wunderlich.webp", "attributes": [ { "group_id": 10, "group_name": "Gr\u00f6\u00dfe", "value": "7\/8 Gr\u00f6\u00dfe" } ], "attribute_summary": "Gr\u00f6\u00dfe: 7\/8 Gr\u00f6\u00dfe", "price": { "delivery_country": false, "currency": "EUR", "currency_symbol": "\u20ac", "tax_rate": 19, "tax_excluded": 13478.99, "tax_included": 16040.00, "without_reduction_tax_excluded": 13478.99, "without_reduction_tax_included": 16040.00, "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\/de\/warenkorb?add=1&id_product=86&id_product_attribute=171&qty=1&setCountry=0&setCurrency=1" } } ], "pricing": { "scope": "default_variant", "default_id_product_attribute": 170, "delivery_country": false, "currency": "EUR", "currency_symbol": "\u20ac", "tax_rate": 19, "use_taxes": true, "show_taxes": true, "price_tax_included": 16040.00, "price_tax_excluded": 13478.99, "price_without_reduction": 13478.99, "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." } } } }