{ "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": 722 }, "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=722&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=722&setCountry=0&setCurrency=1", "contexts": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/contexts?resource=product&id_product=722&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-stimmgabel-rund-e1-329-6-hz-mit-etui-722.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-stimmgabel-rund-e1-329-6-hz-mit-etui-722.html#product", "url": "https:\/\/musiccraft-instruments.com\/de\/p\/wittner-stimmgabel-rund-e1-329-6-hz-mit-etui-722.html", "urls": { "agent": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/product?id_product=722&setCountry=0&setCurrency=1", "contexts": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/contexts?resource=product&id_product=722&setCountry=0&setCurrency=1", "human": "https:\/\/musiccraft-instruments.com\/de\/p\/wittner-stimmgabel-rund-e1-329-6-hz-mit-etui-722.html" }, "id_product": 722, "name": "Wittner Stimmgabel rund \u2013 e1 329,6 Hz mit Etui", "description": "Runde Wittner Stimmgabel mit Referenzton e1 329,6 Hz, vernickelter Oberfl\u00e4che und kompakter Bauform. Inklusive Kunststoff-Etui zur gesch\u00fctzten Aufbewahrung.", "full_description": "Die Wittner Stimmgabel in runder Ausf\u00fchrung ist auf den Referenzton e1 329,6 Hz abgestimmt und eignet sich zur zuverl\u00e4ssigen Tonvorgabe beim Stimmen von Instrumenten oder beim musikalischen Arbeiten mit einer festen Tonh\u00f6he. Die vernickelte Oberfl\u00e4che verleiht der Stimmgabel eine klassische und funktionale Ausf\u00fchrung. Mit einem Durchmesser von 4,5 mm und der kompakten Bauform l\u00e4sst sie sich unkompliziert handhaben und platzsparend aufbewahren. Zum Lieferumfang geh\u00f6rt ein passendes Kunststoff-Etui, das die Stimmgabel bei Aufbewahrung und Transport sch\u00fctzt.", "additional_text": "Modell: Rund \n Produkttyp: Stimmgabel \n Referenzton: e1 329,6 Hz \n Form: rund \n Oberfl\u00e4che: vernickelt \n L\u00e4nge: 34 mm \n Durchmesser: 4,5 mm \n Inklusive Kunststoff-Etui \n Hersteller: Wittner \u2013 Division of GEWA music GmbH", "sku": "819\/107", "mpn": "819\/107", "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": 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" } }, "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": 169, "name": "Produkttyp", "value": "Set" }, { "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": 18, "id_feature_value": 184, "name": " Kernmaterial", "value": "Vernickelter Stahl" } ], "agent_faqs": [ ], "images": [ { "id_image": 3525, "cover": true, "position": 1, "legend": "Wittner Stimmgabel rund \u2013 e1 329,6 Hz mit Etui", "url": "https:\/\/cdn3.musiccraft-instruments.com\/3525-large_default\/wittner-stimmgabel-rund-e1-329-6-hz-mit-etui.webp" }, { "id_image": 3526, "cover": false, "position": 2, "legend": "Wittner Stimmgabel rund \u2013 e1 329,6 Hz mit Etui", "url": "https:\/\/cdn2.musiccraft-instruments.com\/3526-large_default\/wittner-stimmgabel-rund-e1-329-6-hz-mit-etui.webp" } ], "shipping_weight": { "@type": "QuantitativeValue", "value": 0.04, "unitCode": "KGM", "note": "Shipping weight, not product content." }, "variant_model": { "has_variants": false, "variant_count": 0, "default_id_product_attribute": 0 }, "offers": { "@type": "Offer", "offer_scope": "product", "id_product": 722, "id_product_attribute": 0, "url": "https:\/\/musiccraft-instruments.com\/de\/p\/wittner-stimmgabel-rund-e1-329-6-hz-mit-etui-722.html", "price": 9.45, "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": 9.45, "priceCurrency": "EUR", "valueAddedTaxIncluded": true } , "action": { "type": "add_to_cart", "method": "GET", "enabled": true, "quantity": 1, "url": "https:\/\/musiccraft-instruments.com\/de\/warenkorb?add=1&id_product=722&qty=1&setCountry=0&setCurrency=1" } }, "variant_offers": [ ], "pricing": { "scope": "product", "default_id_product_attribute": 0, "delivery_country": false, "currency": "EUR", "currency_symbol": "\u20ac", "tax_rate": 19, "use_taxes": true, "show_taxes": true, "price_tax_included": 9.45, "price_tax_excluded": 7.94, "price_without_reduction": 7.94, "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": false, "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." } } } }