{"type":"firestarter.listing","listing":{"id":"lst_QrgcegW0","product_name":"Luthier Card Sleeves","category":null,"description":"High quality sleeves custom made to fit all base and promo cards in the game. Includes 99 US Standard sized sleeves (90mm x 59mm), 137 Mini sized sleeves (66mm x 44mm), and 10 jumbo sized sleeves (142mm x 92mm) for reference cards. Sleeves are clear matte and 100 microns thick. Note: we've included a few additional sleeves just in case!\nWeight &amp; Dimensions7 oz150mm x 95mm x 40mm","images":["https://cdn.shopify.com/s/files/1/0664/4894/9461/files/PVG02012_2_cbb87d04-e89e-411b-94b7-d59451c38f48.jpg?v=1746561906","https://cdn.shopify.com/s/files/1/0664/4894/9461/files/PVG02012_3.jpg?v=1746561906"],"price":15,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:47:00.792Z"},"share_url":"https://firestarter.network/l/lst_QrgcegW0","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_QrgcegW0' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Luthier Card Sleeves' and a budget_max comfortably above $15.00 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."]}}