{"type":"firestarter.listing","listing":{"id":"lst_S8m4p69f","product_name":"Mercado Stack Ring In Pink Sapphire","category":"Rings","description":"Inspired by the open air markets of the world, the Mercado Stack Ring in Pink Sapphire is cast from solid yellow gold set with a bright Pink Sapphire baguette center, accented by a bezel set Diamond and pave band of hot pink Rubies. \n","images":["https://cdn.shopify.com/s/files/1/1442/5650/files/WR185.10K.PS.R_a0a791f2-1222-4d30-845d-50f51809c49f.jpg?v=1698947951","https://cdn.shopify.com/s/files/1/1442/5650/files/IMG_4637.jpg?v=1726169020","https://cdn.shopify.com/s/files/1/1442/5650/files/WR185.10K.PS.R-SIDE.jpg?v=1726169033"],"price":620,"currency":"USD","in_stock":true,"inventory_qty":29997,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:28.839Z"},"share_url":"https://firestarter.network/l/lst_S8m4p69f","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_S8m4p69f' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Mercado Stack Ring In Pink Sapphire' and a budget_max comfortably above $620.00 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."]}}