{ "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": 175 }, "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=175&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=175&setCountry=0&setCurrency=1", "contexts": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/contexts?resource=product&id_product=175&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\/stimmstab-fuer-cello-175.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\/stimmstab-fuer-cello-175.html#product", "url": "https:\/\/musiccraft-instruments.com\/de\/p\/stimmstab-fuer-cello-175.html", "urls": { "agent": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/product?id_product=175&setCountry=0&setCurrency=1", "contexts": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/contexts?resource=product&id_product=175&setCountry=0&setCurrency=1", "human": "https:\/\/musiccraft-instruments.com\/de\/p\/stimmstab-fuer-cello-175.html" }, "id_product": 175, "name": "Stimmstab f\u00fcr Cello", "description": "Stimmstab f\u00fcr Cello aus Fichtenholz.", "full_description": "Der Stimmstab ist eines der wichtigsten Bauteile eines Cellos und tr\u00e4gt entscheidend zu Klang, Ansprache und Stabilit\u00e4t des Instruments bei. Dieser Stimmstab aus hochwertigem Fichtenholz dient als Rohling f\u00fcr den Cellobau sowie f\u00fcr Reparaturen und Restaurierungen. Er wird individuell an das Instrument angepasst und auf die ben\u00f6tigte L\u00e4nge zugeschnitten. Erst eine fachgerechte Anpassung gew\u00e4hrleistet die optimale \u00dcbertragung der Schwingungen zwischen Decke und Boden. Pr\u00e4zise angepasst \u2013 f\u00fcr den charakteristischen Klang eines Cellos.", "additional_text": "Stimmstabholz f\u00fcr Cello \n Material: Fichtenholz \n Rohling f\u00fcr den Cellobau \n Muss auf die ben\u00f6tigte L\u00e4nge zugeschnitten und angepasst werden \n F\u00fcr Reparatur, Restaurierung und Neubau geeignet", "sku": "854\/03", "mpn": "854\/03", "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": 85, "name": "Stimmst\u00e4be", "link_rewrite": "stimmstaebe", "urls": { "agent": "https:\/\/musiccraft-instruments.com\/de\/mcc\/mcc_agent\/category?id_category=85&setCountry=0&setCurrency=1", "human": "https:\/\/musiccraft-instruments.com\/de\/stimmstaebe-85" } }, "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": 325, "name": "Instrument", "value": "Cello" }, { "id_feature": 28, "id_feature_value": 336, "name": "Bestandteile", "value": "Stimmst\u00e4be" }, { "id_feature": 18, "id_feature_value": 371, "name": " Kernmaterial", "value": "Fichte" } ], "agent_faqs": [ ], "images": [ { "id_image": 2409, "cover": true, "position": 1, "legend": "Stimmstab f\u00fcr Violine", "url": "https:\/\/cdn3.musiccraft-instruments.com\/2409-large_default\/stimmstab-fuer-cello.webp" } ], "shipping_weight": { "@type": "QuantitativeValue", "value": 0.01, "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": 175, "id_product_attribute": 0, "url": "https:\/\/musiccraft-instruments.com\/de\/p\/stimmstab-fuer-cello-175.html", "price": 17.50, "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": 17.50, "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=175&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": 17.50, "price_tax_excluded": 14.71, "price_without_reduction": 14.71, "reduction_percent": 0, "reduction_price": 0 }, "availability": { "status": "https://schema.org/InStock", "orderable": true, "available_for_order": true, "show_price": true, "quantity": 110, "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." } } } }