{"type":"firestarter.listing","listing":{"id":"lst_Wuk2BgQp","product_name":"Field Mouse - Spare Ink Reservoirs","category":"Fieldmouse","description":"Spare ink reservoirs for your Field Mouse pen. These high-quality fibre core reservoirs are designed to provide smooth and reliable ink flow, ensuring a seamless writing experience.\nDetails:\n\nPack of 5\nSize: 6mm x 34mm\n\n","images":["https://cdn.shopify.com/s/files/1/0089/6129/4417/files/FM_Reservoirs.webp?v=1758712081","https://cdn.shopify.com/s/files/1/0089/6129/4417/files/FieldMouse_Reservoirs.jpg?v=1782215556"],"price":3,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:47:22.927Z"},"share_url":"https://firestarter.network/l/lst_Wuk2BgQp","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_Wuk2BgQp' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Field Mouse - Spare Ink Reservoirs' and a budget_max comfortably above $3.00 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."]}}