{ "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": 2, "iso_code": "en", "url_prefix": "\/en\/" }, "delivery_country": { "id_country": 1, "iso_code": "DE" }, "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": 303 }, "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\/en\/mcc\/mcc_agent\/product?id_product=303&setCountry=1&setCurrency=1", "agent": { "root": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/root?setCountry=1&setCurrency=1", "sitemap": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/sitemap?setCountry=1&setCurrency=1", "search": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/search?setCountry=1&setCurrency=1", "cart": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/cart?setCountry=1&setCurrency=1", "product": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/product?id_product=303&setCountry=1&setCurrency=1", "contexts": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/contexts?resource=product&id_product=303&setCountry=1&setCurrency=1" }, "human": { "home": "https:\/\/musiccraft-instruments.com\/", "sitemap": "https:\/\/musiccraft-instruments.com\/en\/sitemap", "search": "https:\/\/musiccraft-instruments.com\/en\/search", "product": "https:\/\/musiccraft-instruments.com\/en\/p\/christian-sandner-octave-guitar-303.html", "cart": "https:\/\/musiccraft-instruments.com\/en\/order", "contact": "https:\/\/musiccraft-instruments.com\/en\/contact-us" } }, "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\/en\/p\/christian-sandner-octave-guitar-303.html#product", "url": "https:\/\/musiccraft-instruments.com\/en\/p\/christian-sandner-octave-guitar-303.html", "urls": { "agent": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/product?id_product=303&setCountry=1&setCurrency=1", "contexts": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/contexts?resource=product&id_product=303&setCountry=1&setCurrency=1", "human": "https:\/\/musiccraft-instruments.com\/en\/p\/christian-sandner-octave-guitar-303.html" }, "id_product": 303, "name": "Christian Sandner Octave Guitar \u2013 Spanish Construction", "description": "Octave guitar by master plucked-instrument maker Christian Sandner with traditional Spanish construction. Spruce top, maple or mahogany back and sides, and a 40 cm scale length.", "full_description": "Smaller in size, yet still a true guitar made by a master craftsman. The Octave Guitar by Christian Sandner combines traditional Spanish construction with compact dimensions and a carefully selected combination of woods. The top is made from spruce, while the back and sides are available in either maple or mahogany. With its 40 cm scale length, the octave guitar is considerably more compact than a traditional full-size classical guitar. A handcrafted instrument from the workshop of master plucked-instrument maker Christian Sandner \u2013 traditionally constructed and with a distinctive character in a compact format.", "additional_text": "Octave guitar \n Spanish construction \n Top: Spruce \n Back: Maple or mahogany \n Sides: Maple or mahogany \n Scale length: 40 cm \n Manufacturer: Christian Sandner, Master Plucked-Instrument Maker \n Model: Octave Guitar", "sku": "31415", "mpn": "31415", "ean13": "", "upc": "", "brand": { "@type": "Brand", "name": "Christian Sandner Zupfinstrumentenbaumeister", "url": "https:\/\/musiccraft-instruments.com\/en\/christian-sandner-zupfinstrumentenbaumeister_30" }, "manufacturer": { "@type": "Organization", "id_manufacturer": 30, "name": "Christian Sandner Zupfinstrumentenbaumeister", "url": "https:\/\/musiccraft-instruments.com\/en\/christian-sandner-zupfinstrumentenbaumeister_30" }, "supplier": { "@type": "Organization", "id_supplier": 1, "name": "Migma e.G." }, "main_category": { "id_category": 31, "name": "Guitars", "link_rewrite": "guitars", "urls": { "agent": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/category?id_category=31&setCountry=1&setCurrency=1", "human": "https:\/\/musiccraft-instruments.com\/en\/guitars-31" } }, "categories": [ { "id_category": 4, "name": "Instruments", "link_rewrite": "instruments", "urls": { "agent": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/category?id_category=4&setCountry=1&setCurrency=1", "human": "https:\/\/musiccraft-instruments.com\/en\/instruments-4" } }, { "id_category": 6, "name": "Equipment & Essentials", "link_rewrite": "equipment-essentials", "urls": { "agent": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/category?id_category=6&setCountry=1&setCurrency=1", "human": "https:\/\/musiccraft-instruments.com\/en\/equipment-essentials-6" } }, { "id_category": 7, "name": "Restoration", "link_rewrite": "restoration", "urls": { "agent": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/category?id_category=7&setCountry=1&setCurrency=1", "human": "https:\/\/musiccraft-instruments.com\/en\/restoration-7" } }, { "id_category": 5, "name": "Highlight", "link_rewrite": "highlight", "urls": { "agent": "https:\/\/musiccraft-instruments.com\/en\/mcc\/mcc_agent\/category?id_category=5&setCountry=1&setCurrency=1", "human": "https:\/\/musiccraft-instruments.com\/en\/highlight-5" } } ], "features": [ { "id_feature": 1, "id_feature_value": 3, "name": "Product declaration", "value": "Single item" }, { "id_feature": 15, "id_feature_value": 130, "name": "Taxation", "value": "Standard Rate" }, { "id_feature": 9, "id_feature_value": 44, "name": "Instrument", "value": "Guitar" } ], "agent_faqs": [ ], "images": [ { "id_image": 2728, "cover": true, "position": 1, "legend": "Christian Sandner Octave Guitar \u2013 Spanish Construction", "url": "https:\/\/cdn3.musiccraft-instruments.com\/2728-large_default\/christian-sandner-octave-guitar.webp" }, { "id_image": 2729, "cover": false, "position": 2, "legend": "Christian Sandner Octave Guitar \u2013 Spanish Construction", "url": "https:\/\/cdn3.musiccraft-instruments.com\/2729-large_default\/christian-sandner-octave-guitar.webp" } ], "shipping_weight": { "@type": "QuantitativeValue", "value": 5, "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": 303, "id_product_attribute": 0, "url": "https:\/\/musiccraft-instruments.com\/en\/p\/christian-sandner-octave-guitar-303.html", "price": 610.00, "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": 610.00, "priceCurrency": "EUR", "valueAddedTaxIncluded": true } , "action": { "type": "add_to_cart", "method": "GET", "enabled": true, "quantity": 1, "url": "https:\/\/musiccraft-instruments.com\/en\/shopping-cart?add=1&id_product=303&qty=1&setCountry=1&setCurrency=1" } }, "variant_offers": [ ], "pricing": { "scope": "product", "default_id_product_attribute": 0, "delivery_country": "DE", "currency": "EUR", "currency_symbol": "\u20ac", "tax_rate": 19, "use_taxes": true, "show_taxes": true, "price_tax_included": 610.00, "price_tax_excluded": 512.61, "price_without_reduction": 512.61, "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." } } } }