{"type":"firestarter.listing","listing":{"id":"lst_DeX6JUs6","product_name":"Pen Refill - SCHMIDT 5888M - Ceramic Rollerball Black Ink Refill","category":"Pens & Notebooks","description":"\nSchmidt safety ceramic roller, non-dry 5888M black ink refill (Made in Germany)  \nCompatible with Dango Executive Pen","images":["https://cdn.shopify.com/s/files/1/1981/3079/files/pen-refill-schmidt-5888m-ceramic-rollerball-black-ink-refill-dangoproducts-28904029814868.jpg?v=1684475149","https://cdn.shopify.com/s/files/1/1981/3079/files/pen-refill-schmidt-5888m-ceramic-rollerball-black-ink-refill-dangoproducts-28904029847636.jpg?v=1684475147","https://cdn.shopify.com/s/files/1/1981/3079/files/pen-refill-schmidt-5888m-ceramic-rollerball-black-ink-refill-dangoproducts-28904029782100.jpg?v=1684475152"],"price":6,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:14.818Z"},"share_url":"https://firestarter.network/l/lst_DeX6JUs6","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_DeX6JUs6' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Pen Refill - SCHMIDT 5888M - Ceramic Rollerball Black Ink Refill' and a budget_max comfortably above $6.00 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."]}}