{"type":"firestarter.listing","listing":{"id":"lst_Vl6EekUq","product_name":"Chain Extender - Gold","category":"Chain Extender","description":"Our chain extender is the precise and easy way to lengthen your handbag strap. Coming in a set of two, the extender can be added to one or both sides of the chain, allowing it to adapt to your desired length.\n","images":["https://cdn.shopify.com/s/files/1/0560/4425/files/1736191997-chain-extender-gold-checkout.jpg?v=1782118478","https://cdn.shopify.com/s/files/1/0560/4425/files/1736191998-chain-extender-gold-1.jpg?v=1782118478","https://cdn.shopify.com/s/files/1/0560/4425/files/1736191998-chain-extender-gold-hero_eaa80859-66d8-429f-bc29-a06e145a5ad3.jpg?v=1782118478"],"price":25,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:53.208Z"},"share_url":"https://firestarter.network/l/lst_Vl6EekUq","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_Vl6EekUq' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Chain Extender - Gold' and a budget_max comfortably above $25.00 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."]}}