{"type":"firestarter.listing","listing":{"id":"lst_M2sc9qKt","product_name":"Leo Signet Ring","category":"Rings","description":"\nFeaturing Ancient Greek Zodiac symbols, with their constellations overlayed in diamonds\n18k Yellow Gold &amp; White Pave Diamonds\nMade and hand-finished in LA, each piece sold helps ocean-related causes","images":["https://cdn.shopify.com/s/files/1/0561/8748/6287/products/LEO-ZODIAC-SIGNET-RING-ECOM.jpg?v=1748777582","https://cdn.shopify.com/s/files/1/0561/8748/6287/products/Ring-2-side_9b5ad5a0-3836-4ab1-8076-57e2074b319d.jpg?v=1748777583"],"price":3900,"currency":"USD","in_stock":true,"inventory_qty":239976,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:26.564Z"},"share_url":"https://firestarter.network/l/lst_M2sc9qKt","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_M2sc9qKt' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Leo Signet Ring' and a budget_max comfortably above $3900.00 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."]}}