{ "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": 103 }, "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=103&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=103&setCountry=0&setCurrency=1", "contexts": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/contexts?resource=product&id_product=103&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\/wittner-kinnhalter-seitlich-violine-103.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\/wittner-kinnhalter-seitlich-violine-103.html#product", "url": "https:\/\/musiccraft-instruments.com\/de\/p\/wittner-kinnhalter-seitlich-violine-103.html", "urls": { "agent": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/product?id_product=103&setCountry=0&setCurrency=1", "contexts": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/contexts?resource=product&id_product=103&setCountry=0&setCurrency=1", "human": "https:\/\/musiccraft-instruments.com\/de\/p\/wittner-kinnhalter-seitlich-violine-103.html" }, "id_product": 103, "name": "Wittner Kinnhalter seitlich f\u00fcr Violine \u2013 Leicht. Stabil. Durchdacht.", "description": "Der seitliche Violin-Kinnhalter von Wittner verbindet modernes Materialdesign mit hoher Alltagstauglichkeit. Besonders leicht, hautfreundlich und angenehm zu spielen.", "full_description": "Manche Zubeh\u00f6rteile versucht man einfach nur zu vergessen. Dieser hier schafft genau das. Der seitliche Violin-Kinnhalter von Wittner wurde f\u00fcr Musiker entwickelt, die Wert auf Komfort, geringes Gewicht und zuverl\u00e4ssige Funktion legen. Die moderne Konstruktion sorgt f\u00fcr angenehmen Halt ohne unn\u00f6tigen Druck und unterst\u00fctzt eine entspannte Spielhaltung. Typisch Wittner: funktional gedacht, pr\u00e4zise gefertigt und gemacht f\u00fcr den t\u00e4glichen Einsatz \u2014 vom Unterricht bis zur B\u00fchne. Die hautfreundlichen Materialien und das geringe Gewicht machen den Unterschied oft schon nach wenigen Minuten sp\u00fcrbar. Weniger Belastung. Mehr Fokus auf das, was wirklich z\u00e4hlt: spielen. \n \n Seitliche Ausf\u00fchrung f\u00fcr Violine \n Besonders leichtes Design \n Hautfreundliche Materialien \n Angenehmer Halt und hoher Spielkomfort \n Ideal f\u00fcr Alltag, Unterricht und B\u00fchne \n Qualit\u00e4t von Wittner", "additional_text": "Technik muss nicht auffallen. Sie muss einfach funktionieren.", "sku": "819\/400", "mpn": "819\/400", "ean13": "", "upc": "", "brand": { "@type": "Brand", "name": "Wittner \u2013 Division of GEWA music GmbH", "url": "https:\/\/musiccraft-instruments.com\/de\/wittner-division-of-gewa-music-gmbh_19" }, "manufacturer": { "@type": "Organization", "id_manufacturer": 19, "name": "Wittner \u2013 Division of GEWA music GmbH", "url": "https:\/\/musiccraft-instruments.com\/de\/wittner-division-of-gewa-music-gmbh_19" }, "supplier": { "@type": "Organization", "id_supplier": 1, "name": "Migma e.G." }, "main_category": { "id_category": 76, "name": "Kinnhalter", "link_rewrite": "kinnhalter", "urls": { "agent": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/category?id_category=76&setCountry=0&setCurrency=1", "human": "https:\/\/musiccraft-instruments.com\/de\/kinnhalter-76" } }, "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": 1, "name": "Produkttyp", "value": "Zubeh\u00f6r" }, { "id_feature": 1, "id_feature_value": 150, "name": "Produkttyp", "value": "Ersatzteile" }, { "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": 327, "name": "Bestandteile", "value": "Kinnhalter" }, { "id_feature": 29, "id_feature_value": 348, "name": "Gr\u00f6\u00dfe f\u00fcr", "value": "1\/2" }, { "id_feature": 29, "id_feature_value": 342, "name": "Gr\u00f6\u00dfe f\u00fcr", "value": "1\/4" }, { "id_feature": 29, "id_feature_value": 344, "name": "Gr\u00f6\u00dfe f\u00fcr", "value": "1\/16" }, { "id_feature": 29, "id_feature_value": 347, "name": "Gr\u00f6\u00dfe f\u00fcr", "value": "1\/8" }, { "id_feature": 29, "id_feature_value": 341, "name": "Gr\u00f6\u00dfe f\u00fcr", "value": "4\/4" }, { "id_feature": 29, "id_feature_value": 343, "name": "Gr\u00f6\u00dfe f\u00fcr", "value": "3\/4" }, { "id_feature": 29, "id_feature_value": 345, "name": "Gr\u00f6\u00dfe f\u00fcr", "value": "4\/4 bis 1\/16" }, { "id_feature": 2, "id_feature_value": 502, "name": "Besonderheit", "value": "Verschiedene Varianten" } ], "agent_faqs": [ ], "images": [ { "id_image": 2242, "cover": true, "position": 1, "legend": "Wittner Kinnhalter seitlich f\u00fcr Violine \u2013 Leicht. Stabil. Durchdacht.", "url": "https:\/\/cdn1.musiccraft-instruments.com\/2242-large_default\/wittner-kinnhalter-seitlich-violine.webp" }, { "id_image": 2243, "cover": false, "position": 2, "legend": "Wittner Kinnhalter seitlich f\u00fcr Violine \u2013 Leicht. Stabil. Durchdacht.", "url": "https:\/\/cdn1.musiccraft-instruments.com\/2243-large_default\/wittner-kinnhalter-seitlich-violine.webp" } ], "shipping_weight": { "@type": "QuantitativeValue", "value": 0.2, "unitCode": "KGM", "note": "Shipping weight, not product content." }, "variant_model": { "has_variants": true, "variant_count": 4, "default_id_product_attribute": 290 }, "offers": { "@type": "Offer", "offer_scope": "default_variant", "id_product": 103, "id_product_attribute": 290, "url": "https:\/\/musiccraft-instruments.com\/de\/p\/wittner-kinnhalter-seitlich-violine-103.html", "price": 34.90, "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": 34.90, "priceCurrency": "EUR", "valueAddedTaxIncluded": true } }, "variant_offers": [ { "@type": "Offer", "id_product": 103, "id_product_attribute": 291, "is_default": false, "sku": "819\/401", "url": "https:\/\/musiccraft-instruments.com\/de\/p\/wittner-kinnhalter-seitlich-violine-103.html", "image": "https:\/\/cdn1.musiccraft-instruments.com\/1-large_default\/wittner-kinnhalter-seitlich-violine.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": 29.33, "tax_included": 34.90, "without_reduction_tax_excluded": 29.33, "without_reduction_tax_included": 34.90, "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=103&id_product_attribute=291&qty=1&setCountry=0&setCurrency=1" } }, { "@type": "Offer", "id_product": 103, "id_product_attribute": 290, "is_default": true, "sku": "819\/400", "url": "https:\/\/musiccraft-instruments.com\/de\/p\/wittner-kinnhalter-seitlich-violine-103.html", "image": "https:\/\/cdn1.musiccraft-instruments.com\/1-large_default\/wittner-kinnhalter-seitlich-violine.webp", "attributes": [ { "group_id": 10, "group_name": "Gr\u00f6\u00dfe", "value": "3\/4 Gr\u00f6\u00dfe" } ], "attribute_summary": "Gr\u00f6\u00dfe: 3\/4 Gr\u00f6\u00dfe", "price": { "delivery_country": false, "currency": "EUR", "currency_symbol": "\u20ac", "tax_rate": 19, "tax_excluded": 29.33, "tax_included": 34.90, "without_reduction_tax_excluded": 29.33, "without_reduction_tax_included": 34.90, "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=103&id_product_attribute=290&qty=1&setCountry=0&setCurrency=1" } }, { "@type": "Offer", "id_product": 103, "id_product_attribute": 292, "is_default": false, "sku": "819\/402", "url": "https:\/\/musiccraft-instruments.com\/de\/p\/wittner-kinnhalter-seitlich-violine-103.html", "image": "https:\/\/cdn1.musiccraft-instruments.com\/1-large_default\/wittner-kinnhalter-seitlich-violine.webp", "attributes": [ { "group_id": 10, "group_name": "Gr\u00f6\u00dfe", "value": "1\/4 + 1\/2 Gr\u00f6\u00dfe" } ], "attribute_summary": "Gr\u00f6\u00dfe: 1\/4 + 1\/2 Gr\u00f6\u00dfe", "price": { "delivery_country": false, "currency": "EUR", "currency_symbol": "\u20ac", "tax_rate": 19, "tax_excluded": 29.33, "tax_included": 34.90, "without_reduction_tax_excluded": 29.33, "without_reduction_tax_included": 34.90, "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=103&id_product_attribute=292&qty=1&setCountry=0&setCurrency=1" } }, { "@type": "Offer", "id_product": 103, "id_product_attribute": 293, "is_default": false, "sku": "819\/403", "url": "https:\/\/musiccraft-instruments.com\/de\/p\/wittner-kinnhalter-seitlich-violine-103.html", "image": "https:\/\/cdn1.musiccraft-instruments.com\/1-large_default\/wittner-kinnhalter-seitlich-violine.webp", "attributes": [ { "group_id": 10, "group_name": "Gr\u00f6\u00dfe", "value": "1\/8 + 1\/6 Gr\u00f6\u00dfe" } ], "attribute_summary": "Gr\u00f6\u00dfe: 1\/8 + 1\/6 Gr\u00f6\u00dfe", "price": { "delivery_country": false, "currency": "EUR", "currency_symbol": "\u20ac", "tax_rate": 19, "tax_excluded": 29.33, "tax_included": 34.90, "without_reduction_tax_excluded": 29.33, "without_reduction_tax_included": 34.90, "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=103&id_product_attribute=293&qty=1&setCountry=0&setCurrency=1" } } ], "pricing": { "scope": "default_variant", "default_id_product_attribute": 290, "delivery_country": false, "currency": "EUR", "currency_symbol": "\u20ac", "tax_rate": 19, "use_taxes": true, "show_taxes": true, "price_tax_included": 34.90, "price_tax_excluded": 29.33, "price_without_reduction": 29.33, "reduction_percent": 0, "reduction_price": 0 }, "availability": { "status": "https://schema.org/InStock", "orderable": true, "available_for_order": true, "show_price": true, "quantity": 20, "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." } } } }