{"type":"firestarter.listing","listing":{"id":"lst_XYM2MgcZ","product_name":"Bar Magnet","category":"Magnet","description":"Neodymium bar magnet for magnetic nail polishes. \nThis is a very strong magnet and should be handled carefully around other strong magnets as they can be fragile. \nSize: 2.36 inch x 0.39 inch x 0.12 inch","images":["https://cdn.shopify.com/s/files/1/1401/4759/files/IMG-1025.png?v=1774876859","https://cdn.shopify.com/s/files/1/1401/4759/files/IMG-1026.png?v=1774876859"],"price":4,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:20.253Z"},"share_url":"https://firestarter.network/l/lst_XYM2MgcZ","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_XYM2MgcZ' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Bar Magnet' and a budget_max comfortably above $4.00 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."]}}