{"type":"firestarter.listing","listing":{"id":"lst_PEobpNAz","product_name":"Sterling Silver Engravable Chunky Heart Signet Ring","category":"Rings > Signet","description":"Engravable chunky heart signet ring.\nPlease note engraved jewellery is non-returnableSterling Silver (925)Price is inclusive of engraving feeUp to 3 characters looks best for this ringBand = 3.5mm - at thinnest pointFront heart = 10.70mm (h) X 12mm (w)Sold as a single ring\nGift ready - branded cotton gift bag included\n","images":["https://cdn.shopify.com/s/files/1/0247/1034/8875/files/m_ring.jpg?v=1718632491","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/ringmix8_a469bf66-01c0-44e0-b881-9fb1dc7268ae.jpg?v=1718632499","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/A5-RN-5507-SS-000-0_3_2cce2500-012f-41f6-aa39-831fdff8dd51.jpg?v=1718632498","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/silverheart_a3ef9aff-c5df-43d8-b8f7-ce39461d5945.jpg?v=1718632498"],"price":44,"currency":"USD","in_stock":true,"inventory_qty":49995,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:46.317Z"},"share_url":"https://firestarter.network/l/lst_PEobpNAz","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_PEobpNAz' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Sterling Silver Engravable Chunky Heart Signet Ring' and a budget_max comfortably above $44.00 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."]}}