{"type":"firestarter.listing","listing":{"id":"lst_jZ6_4Fdn","product_name":"Onyx Earring","category":"Earring","description":"Black Onyx is said to be a powerful protection stone. These delicate cabochon gemstone earrings are the perfect addition to any outfit. Whether you're out for the night or having a weekend in, wear these tiny studs everywhere you go. This onyx stud earring is a 14k solid gold investment.","images":["https://cdn.shopify.com/s/files/1/2065/2103/files/yellow-gold-onyx-gemstone-earring-studs-14k_4b822d41-994b-44ee-80e4-6366d1e5ae30.jpg?v=1773934739","https://cdn.shopify.com/s/files/1/2065/2103/files/onyx-gemstone-studs.jpg?v=1773934739","https://cdn.shopify.com/s/files/1/2065/2103/files/rose-gold-onyx-stud.jpg?v=1773934739","https://cdn.shopify.com/s/files/1/2065/2103/files/white-gold-onyx-stud.jpg?v=1773934657"],"price":294,"currency":"USD","in_stock":true,"inventory_qty":239976,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:43.424Z"},"share_url":"https://firestarter.network/l/lst_jZ6_4Fdn","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_jZ6_4Fdn' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Onyx Earring' and a budget_max comfortably above $294.00 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."]}}