{"type":"firestarter.listing","listing":{"id":"lst_Sjz1umoX","product_name":"Austen Retro Live 12-String","category":"Guitars","description":"Get a fuller, shimmering sound with the 12-string acoustic-electric Austen. This commanding dreadnought, evolved from our Austen Retro model, delivers rich textures that reveal the true magic of a 12-string guitar. ","images":["https://cdn.shopify.com/s/files/1/0550/6737/files/OW-AUSTEN-12-S-AN-RETRO-L-FRONT-FULL.jpg?v=1763586650","https://cdn.shopify.com/s/files/1/0550/6737/files/OW-AUSTEN-12-S-AN-RETRO-L-ANGLED-RIGHT.jpg?v=1763586650","https://cdn.shopify.com/s/files/1/0550/6737/files/OW-AUSTEN-12-S-AN-RETRO-L-REAR-FULL.jpg?v=1763586650","https://cdn.shopify.com/s/files/1/0550/6737/files/OW-AUSTEN-12-S-AN-RETRO-L-RIGHT-SIDE.jpg?v=1763586650","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-AUSTEN-12-S-AN-RETRO-L-LIFESTYLE-01.jpg?v=1763586650"],"price":361.25,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:56.088Z"},"share_url":"https://firestarter.network/l/lst_Sjz1umoX","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_Sjz1umoX' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Austen Retro Live 12-String' and a budget_max comfortably above $361.25 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."]}}