{"type":"firestarter.listing","listing":{"id":"lst_fxTk_eDp","product_name":"Geometric Signet in Silver","category":"Rings","description":"\nInspired by vintage heirlooms, cast in solid sterling silver.\nOur classic Geometric Signet in Silver is designed for you to wear like a treasured possession. The tapered band makes for an easy, comfortable fit.\nReady for personalization. Please specify details in your checkout notes.","images":["https://cdn.shopify.com/s/files/1/1442/5650/products/MR58.SS.jpg?v=1632405971","https://cdn.shopify.com/s/files/1/1442/5650/products/AB3I2798-3_64027537-7048-404c-965a-d12f5ca77bad.jpg?v=1632333412","https://cdn.shopify.com/s/files/1/1442/5650/products/MR58.SS-2.jpg?v=1632405971"],"price":150,"currency":"USD","in_stock":true,"inventory_qty":29997,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:30.314Z"},"share_url":"https://firestarter.network/l/lst_fxTk_eDp","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_fxTk_eDp' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Geometric Signet in Silver' and a budget_max comfortably above $150.00 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."]}}