{"type":"firestarter.listing","listing":{"id":"lst_gTfCEmT6","product_name":"Grey Stone Necklace","category":null,"description":"Mashu’s first jewelry collection is inspired by the signature hardware of our bags, reimagined as a sculptural clasp detail. The grey stone necklace is made with labradorite beads. The metal clasp is made from recycled sterling silver (925). \nMade in Athens.","images":["https://cdn.shopify.com/s/files/1/0565/3564/6395/files/ChatGPTImageJan20_2026at03_15_22PM.png?v=1769158975"],"price":210,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:50.192Z"},"share_url":"https://firestarter.network/l/lst_gTfCEmT6","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_gTfCEmT6' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Grey Stone Necklace' and a budget_max comfortably above $210.00 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."]}}