{"type":"firestarter.listing","listing":{"id":"lst_B8KNUfkc","product_name":"Sterling Silver Chunky Heart Signet Ring","category":"Rings > Signet","description":"Chunky heart signet ring\nSterling Silver (925)Band = 3.5mm - at thinnest pointFront heart = 10.70mm (h) X 12mm (w)Sold as a single ring\nGift ready - branded cotton gift bag included","images":["https://cdn.shopify.com/s/files/1/0247/1034/8875/files/A5-RN-5507-SS-000-0_3_44cd26b5-87f4-47ae-98c6-ef87e42b71da.jpg?v=1707213033","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/IMG_4125_1_copy930455070723yelbluheartname.jpg?v=1746694445","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/A5-RN-5507-SS-000-0_2.jpg?v=1754580651","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/silverheart_648b7b04-7911-48d8-85b5-b57f9eaf5c45.jpg?v=1754580651","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/AC2A2917copy2556259620675507299925533561_69a1d4b5-0a36-4d66-bb61-3d8ec0e0b9ac.jpg?v=1754580651","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/AC2A7020copy2_c05c810a-f6ab-4aef-9dee-97d91ba427c9.jpg?v=1754580651"],"price":39,"currency":"USD","in_stock":true,"inventory_qty":49995,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:46.282Z"},"share_url":"https://firestarter.network/l/lst_B8KNUfkc","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_B8KNUfkc' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Sterling Silver Chunky Heart Signet Ring' and a budget_max comfortably above $39.00 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."]}}