{"type":"firestarter.listing","listing":{"id":"lst_bK8tXYJr","product_name":"Austen Retro","category":"Guitars","description":"A dreadnought rooted in tradition, built for today. Austen’s honey-hued spruce top pairs with a reimagined headstock and bridge to deliver a classic silhouette and sound. Open-gear tuners, 5-ply binding, and oversized inlays dial up the vintage charm.","images":["https://cdn.shopify.com/s/files/1/0550/6737/files/OW-AUSTEN-S-AN-RETRO-FRONT-FULL-PG.jpg?v=1749757845","https://cdn.shopify.com/s/files/1/0550/6737/files/OW-AUSTEN-S-AN-RETRO-FRONT-FULL.jpg?v=1749757845","https://cdn.shopify.com/s/files/1/0550/6737/files/OW-AUSTEN-S-AN-RETRO-ANGLED-RIGHT.jpg?v=1745515671","https://cdn.shopify.com/s/files/1/0550/6737/files/OW-AUSTEN-S-AN-RETRO-RIGHT-SIDE.jpg?v=1745344192","https://cdn.shopify.com/s/files/1/0550/6737/files/OW-AUSTEN-S-AN-RETRO-REAR-FULL.jpg?v=1745344192","https://cdn.shopify.com/s/files/1/0550/6737/files/GIGBAG-GUITAR_e7b017ce-3e6f-476c-b274-30a96afc81ea.jpg?v=1745344550","https://cdn.shopify.com/s/files/1/0550/6737/files/OW-AUSTEN-S-AN-RETRO-LIFESTYLE.jpg?v=1745344550"],"price":242.25,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:56.206Z"},"share_url":"https://firestarter.network/l/lst_bK8tXYJr","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 ","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_bK8tXYJr' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Austen Retro' and a budget_max comfortably above $242.25 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."]}}