{"type":"firestarter.listing","listing":{"id":"lst_ooH3ePD9","product_name":"The Key","category":null,"description":"Designed specifically for The Mark Advanced Dark Spot Concentrate, The Key is a weighted gold squeeze key engineered to work seamlessly with its aluminum tube. Creates steady, even pressure as you roll, guiding the formula forward without bending, splitting, or creasing the tube. The result: smoother dispensing, less waste, and a more intentional way to use every last drop.","images":["https://cdn.shopify.com/s/files/1/0512/1661/3529/files/THEMARKHERO_a55de2e0-fb9d-4619-9f2a-d6d47ded2ac5.jpg?v=1768251959","https://cdn.shopify.com/s/files/1/0512/1661/3529/files/THEKEYADDITIONALVISUAL_1.jpg?v=1768251959","https://cdn.shopify.com/s/files/1/0512/1661/3529/files/THEKEYADDITIONALVISUAL_7d06c4ce-36d9-413f-adaf-5c90120f7d0d.jpg?v=1768251959"],"price":8,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:44:54.435Z"},"share_url":"https://firestarter.network/l/lst_ooH3ePD9","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_ooH3ePD9' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy The Key' and a budget_max comfortably above $8.00 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."]}}