{"type":"firestarter.listing","listing":{"id":"lst_hdL2qqhK","product_name":"Hibiscus","category":"Ink Bottle","description":"Formerly titled 'Copper Chloride'\nHibiscus is part of the Keystone Formula fountain pen ink line, our traditional dye-colorant ink. The 90mL volume will provide approximately 112 standard converter refills assuming a 0.8mL draw. ","images":["https://cdn.shopify.com/s/files/1/1237/1088/files/Hibiscus_Macro_Swatch.jpg?v=1783958309","https://cdn.shopify.com/s/files/1/1237/1088/files/Hibiscus_2eeaa63e-d9eb-4cd2-8d56-25959b3439e5.jpg?v=1783958261","https://cdn.shopify.com/s/files/1/1237/1088/files/Ink_Bottle_Box.jpg?v=1774542507"],"price":19,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:47:18.704Z"},"share_url":"https://firestarter.network/l/lst_hdL2qqhK","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_hdL2qqhK' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Hibiscus' and a budget_max comfortably above $19.00 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."]}}