{"type":"firestarter.listing","listing":{"id":"lst_BL3DtpX3","product_name":"Staedtler Mars Mini Plastic Eraser","category":null,"description":"We love these mini erasers! Made in Germany of premium vinyl, they erase leaving hardly any residue.\nMeasures: about 1.5\" long","images":["https://cdn.shopify.com/s/files/1/0631/2017/9426/files/StaedtlerEraser.jpg?v=1700185584"],"price":2,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:47:22.642Z"},"share_url":"https://firestarter.network/l/lst_BL3DtpX3","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_BL3DtpX3' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Staedtler Mars Mini Plastic Eraser' and a budget_max comfortably above $2.00 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."]}}