{"type":"firestarter.listing","listing":{"id":"lst_IWSqXKOV","product_name":"Megalodon","category":"Ink Bottle","description":"GET ONE FREE bottle with Megalodon in the Megalodon Ink Bundle.\nMegalodon is part of the Keystone Formula fountain pen ink line, our traditional dye-colorant ink. The 50mL volume will provide approximately 62 standard converter refills assuming a 0.8mL draw. Our ink swatch is produced with a cotton swab on Tomoe River paper.","images":["https://cdn.shopify.com/s/files/1/1237/1088/files/Megalodon_0bf82709-459e-4e0d-99c8-872dad7410c0.jpg?v=1763152674","https://cdn.shopify.com/s/files/1/1237/1088/files/Megalodon_Macro_Writing_Sample_a11bb142-cf9e-42a8-8a92-78c7bfae6366.jpg?v=1763152905","https://cdn.shopify.com/s/files/1/1237/1088/files/Megalodon_Macro_Swatch_0a7ab5ae-a3f1-4c56-bbde-f9ed718a8b8d.jpg?v=1763152909","https://cdn.shopify.com/s/files/1/1237/1088/files/Megalodon_Writing_Sample_f.jpg?v=1763152909","https://cdn.shopify.com/s/files/1/1237/1088/files/Ink_Bottle_Box.jpg?v=1774542507"],"price":17,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:47:18.401Z"},"share_url":"https://firestarter.network/l/lst_IWSqXKOV","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 ","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_IWSqXKOV' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Megalodon' and a budget_max comfortably above $17.00 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."]}}