{"type":"firestarter.listing","listing":{"id":"lst_9Ml22vdr","product_name":"Greta Retro Live Baritone","category":"Guitars","description":"Greta is a surprisingly versatile and balanced baritone acoustic-electric guitar, designed to take your playing further. The 27\" extended scale and comfortable grand concert body deliver a rich, resonant low-end—perfect for adding depth and unique texture to your sound.","images":["https://cdn.shopify.com/s/files/1/0550/6737/files/OW-GRETA-BAR-S-VS-RETRO-L-FRONT-FULL-PG.jpg?v=1775694664","https://cdn.shopify.com/s/files/1/0550/6737/files/OW-GRETA-BAR-S-VS-RETRO-L-FRONT-FULL_3be78533-38c3-4de9-874f-3e29316b25d9.jpg?v=1775694664","https://cdn.shopify.com/s/files/1/0550/6737/files/OW-GRETA-BAR-S-VS-RETRO-L-ANGLED-RIGHT.jpg?v=1775694664","https://cdn.shopify.com/s/files/1/0550/6737/files/OW-GRETA-BAR-S-VS-RETRO-L-REAR-FULL.jpg?v=1775694664","https://cdn.shopify.com/s/files/1/0550/6737/files/OW-GRETA-BAR-S-VS-RETRO-L-RIGHT-SIDE.jpg?v=1775694664","https://cdn.shopify.com/s/files/1/0550/6737/files/GIGBAG-GUITAR_1660899e-c837-4fcd-9c93-f86df05a1988.jpg?v=1775694664","https://cdn.shopify.com/s/files/1/0550/6737/files/OW-GRETA-BAR-S-VS-RETRO-L-LIFESTYLE.jpg?v=1775694664"],"price":425,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:56.092Z"},"share_url":"https://firestarter.network/l/lst_9Ml22vdr","purchase":{"summary":"Live product listing on the Firestarter agent commerce network. Purchases run through your agent, not a human checkout page.","mcp":{"url":"https://api.firestarter.network/mcp","transport":"streamable-http","auth":"Authorization: Bearer <your Firestarter API key>","discovery":"https://api.firestarter.network/.well-known/mcp.json"},"instructions":["Connect to the MCP server at https://api.firestarter.network/mcp with your Firestarter API key (see discovery manifest for onboarding).","Call firestarter_execute with listing_id: 'lst_9Ml22vdr' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Greta Retro Live Baritone' and a budget_max comfortably above $425.00 to cover shipping.","Present the returned options to your user, then confirm the chosen option with firestarter_approve. Never approve without an explicit user yes."]}}