{"type":"firestarter.listing","listing":{"id":"lst_4gGWW2GH","product_name":"Marcus Unique Nature Inspired Vintage Men's Wedding Ring","category":"Rings","description":"The Marcus ring is unique men's wedding band featuring a middle channel of textured gold inspired by rocks and landscapes. This weighty ring has beveled channeled edging for a comfortable and classic look.","images":["https://cdn.shopify.com/s/files/1/1994/1391/files/MARCUSWEDDINGBANDSATINYELLOWGOLD_0001_1.jpg?v=1768311757","https://cdn.shopify.com/s/files/1/1994/1391/files/MARCUSWEDDINGBANDSATINYELLOWGOLD_0000_1.jpg?v=1768311757","https://cdn.shopify.com/s/files/1/1994/1391/files/MARCUSWEDDINGBANDSATINWHITEGOLD_0000_1.jpg?v=1768311757","https://cdn.shopify.com/s/files/1/1994/1391/files/MARCUSWEDDINGBANDSATINWHITEGOLD_0001_1.jpg?v=1766148385"],"price":2250,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:31.835Z"},"share_url":"https://firestarter.network/l/lst_4gGWW2GH","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_4gGWW2GH' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Marcus Unique Nature Inspired Vintage Men's Wedding Ring' and a budget_max comfortably above $2250.00 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."]}}