{ "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": 141 }, "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=141&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=141&setCountry=0&setCurrency=1", "contexts": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/contexts?resource=product&id_product=141&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\/wirbel-violine-schweizer-modell-verschiedene-schaftstaerken-141.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\/wirbel-violine-schweizer-modell-verschiedene-schaftstaerken-141.html#product", "url": "https:\/\/musiccraft-instruments.com\/de\/p\/wirbel-violine-schweizer-modell-verschiedene-schaftstaerken-141.html", "urls": { "agent": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/product?id_product=141&setCountry=0&setCurrency=1", "contexts": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/contexts?resource=product&id_product=141&setCountry=0&setCurrency=1", "human": "https:\/\/musiccraft-instruments.com\/de\/p\/wirbel-violine-schweizer-modell-verschiedene-schaftstaerken-141.html" }, "id_product": 141, "name": "Wirbel f\u00fcr Violine \u2013 Schweizer Modell mit verschiedenen Schaftst\u00e4rken", "description": "Violinwirbel im Schweizer Modell mit verschiedenen Schaftst\u00e4rken f\u00fcr pr\u00e4zises Stimmen und zuverl\u00e4ssigen Halt.", "full_description": "Ein Instrument reagiert nur so gut wie seine kleinsten Komponenten. Diese Violinwirbel im Schweizer Modell sorgen f\u00fcr kontrollierte Spannung, saubere Laufeigenschaften und ein direktes Stimmgef\u00fchl. Genau das, was man im Alltag wirklich braucht \u2013 egal ob beim \u00dcben, im Unterricht oder auf der B\u00fchne. Durch die verschiedenen Schaftst\u00e4rken eignen sie sich ideal f\u00fcr Reparaturen, den Austausch bestehender Wirbel oder den professionellen Instrumentenbau. Traditionelles Zubeh\u00f6r f\u00fcr Musiker, die lieber spielen als k\u00e4mpfen.", "additional_text": "Wirbel f\u00fcr Violine \n Schweizer Modell \n Verschiedene Schaftst\u00e4rken erh\u00e4ltlich \n Pr\u00e4zise Stimmbarkeit und sicherer Halt \n Geeignet f\u00fcr Reparatur und Instrumentenbau", "sku": "834\/100", "mpn": "834\/100", "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": 80, "name": "Wirbel", "link_rewrite": "wirbel", "urls": { "agent": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/category?id_category=80&setCountry=0&setCurrency=1", "human": "https:\/\/musiccraft-instruments.com\/de\/wirbel-80" } }, "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": 150, "name": "Produkttyp", "value": "Ersatzteile" }, { "id_feature": 1, "id_feature_value": 1, "name": "Produkttyp", "value": "Zubeh\u00f6r" }, { "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": 331, "name": "Bestandteile", "value": "Wirbel" }, { "id_feature": 29, "id_feature_value": 341, "name": "Gr\u00f6\u00dfe f\u00fcr", "value": "4\/4" }, { "id_feature": 2, "id_feature_value": 502, "name": "Besonderheit", "value": "Verschiedene Varianten" } ], "agent_faqs": [ ], "images": [ { "id_image": 2369, "cover": true, "position": 1, "legend": "Wirbel f\u00fcr Violine \u2013 franz\u00f6sisches Modell mit verschiedenen Schaftst\u00e4rken", "url": "https:\/\/cdn2.musiccraft-instruments.com\/2369-large_default\/wirbel-violine-schweizer-modell-verschiedene-schaftstaerken.webp" } ], "shipping_weight": { "@type": "QuantitativeValue", "value": 0.02, "unitCode": "KGM", "note": "Shipping weight, not product content." }, "variant_model": { "has_variants": true, "variant_count": 3, "default_id_product_attribute": 456 }, "offers": { "@type": "Offer", "offer_scope": "default_variant", "id_product": 141, "id_product_attribute": 456, "url": "https:\/\/musiccraft-instruments.com\/de\/p\/wirbel-violine-schweizer-modell-verschiedene-schaftstaerken-141.html", "price": 11.40, "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": 11.40, "priceCurrency": "EUR", "valueAddedTaxIncluded": true } }, "variant_offers": [ { "@type": "Offer", "id_product": 141, "id_product_attribute": 456, "is_default": true, "sku": "834\/100-SW", "url": "https:\/\/musiccraft-instruments.com\/de\/p\/wirbel-violine-schweizer-modell-verschiedene-schaftstaerken-141.html", "image": "https:\/\/cdn3.musiccraft-instruments.com\/1-large_default\/wirbel-violine-schweizer-modell-verschiedene-schaftstaerken.webp", "attributes": [ { "group_id": 12, "group_name": "Schaftst\u00e4rke", "value": "Schwach" } ], "attribute_summary": "Schaftst\u00e4rke: Schwach", "price": { "delivery_country": false, "currency": "EUR", "currency_symbol": "\u20ac", "tax_rate": 19, "tax_excluded": 9.58, "tax_included": 11.40, "without_reduction_tax_excluded": 9.58, "without_reduction_tax_included": 11.40, "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=141&id_product_attribute=456&qty=1&setCountry=0&setCurrency=1" } }, { "@type": "Offer", "id_product": 141, "id_product_attribute": 454, "is_default": false, "sku": "834\/100-MI", "url": "https:\/\/musiccraft-instruments.com\/de\/p\/wirbel-violine-schweizer-modell-verschiedene-schaftstaerken-141.html", "image": "https:\/\/cdn3.musiccraft-instruments.com\/1-large_default\/wirbel-violine-schweizer-modell-verschiedene-schaftstaerken.webp", "attributes": [ { "group_id": 12, "group_name": "Schaftst\u00e4rke", "value": "Mittel" } ], "attribute_summary": "Schaftst\u00e4rke: Mittel", "price": { "delivery_country": false, "currency": "EUR", "currency_symbol": "\u20ac", "tax_rate": 19, "tax_excluded": 9.58, "tax_included": 11.40, "without_reduction_tax_excluded": 9.58, "without_reduction_tax_included": 11.40, "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=141&id_product_attribute=454&qty=1&setCountry=0&setCurrency=1" } }, { "@type": "Offer", "id_product": 141, "id_product_attribute": 455, "is_default": false, "sku": "834\/100-ST", "url": "https:\/\/musiccraft-instruments.com\/de\/p\/wirbel-violine-schweizer-modell-verschiedene-schaftstaerken-141.html", "image": "https:\/\/cdn3.musiccraft-instruments.com\/1-large_default\/wirbel-violine-schweizer-modell-verschiedene-schaftstaerken.webp", "attributes": [ { "group_id": 12, "group_name": "Schaftst\u00e4rke", "value": "Stark" } ], "attribute_summary": "Schaftst\u00e4rke: Stark", "price": { "delivery_country": false, "currency": "EUR", "currency_symbol": "\u20ac", "tax_rate": 19, "tax_excluded": 9.58, "tax_included": 11.40, "without_reduction_tax_excluded": 9.58, "without_reduction_tax_included": 11.40, "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=141&id_product_attribute=455&qty=1&setCountry=0&setCurrency=1" } } ], "pricing": { "scope": "default_variant", "default_id_product_attribute": 456, "delivery_country": false, "currency": "EUR", "currency_symbol": "\u20ac", "tax_rate": 19, "use_taxes": true, "show_taxes": true, "price_tax_included": 11.40, "price_tax_excluded": 9.58, "price_without_reduction": 9.58, "reduction_percent": 0, "reduction_price": 0 }, "availability": { "status": "https://schema.org/InStock", "orderable": true, "available_for_order": true, "show_price": true, "quantity": 15, "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." } } } }