{"type":"firestarter.listing","listing":{"id":"lst_g9fCFXxg","product_name":"Bundle Builder","category":null,"description":"Build your own box of Mezcla light, crunchy plant-based protein treats. Choose from 9 bold flavors and mix your favorites into a 4, 6, or 8 pack. Save up to 25% when you bundle. Gluten-free, vegan, non-GMO, 10-11g protein per bar.","images":["https://cdn.shopify.com/s/files/1/0362/4258/7786/files/Mezcla_Web_Preview_2781603c-6c75-4976-a980-9e9cc787e347.png?v=1781012490"],"price":112.17,"currency":"USD","in_stock":true,"inventory_qty":29997,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:22.586Z"},"share_url":"https://firestarter.network/l/lst_g9fCFXxg","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_g9fCFXxg' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Bundle Builder' and a budget_max comfortably above $112.17 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."]}}