{"type":"firestarter.listing","listing":{"id":"lst_PNFFZnj9","product_name":"The Mark","category":"Serum","description":"A new kind of targeted dark spot concentrate with a gel-patch texture that stays put—rewriting how dark spots are treated. High-potency actives anchor exactly where they’re needed, turning application into a tool of precision. The result: targeted fading that meets dark spots early—and doesn’t give up on the ones that linger. Clinically proven to deliver visible results in as little as 2 weeks. For a limited time, we are including The Key so you can put every last drop to use.Size: 0.5 oz | 15mL","images":["https://cdn.shopify.com/s/files/1/0512/1661/3529/files/01B_PRODUCT-OVERLAY-TRANSPARENT.png?v=1767380342","https://cdn.shopify.com/s/files/1/0512/1661/3529/files/01c_MARK-PDP.png?v=1767811551","https://cdn.shopify.com/s/files/1/0512/1661/3529/files/02_MARK-PDP.png?v=1767811551","https://cdn.shopify.com/s/files/1/0512/1661/3529/files/0010_MARK-PDP.jpg?v=1768320377","https://cdn.shopify.com/s/files/1/0512/1661/3529/files/03_MARK-PDP-BA.png?v=1768320377","https://cdn.shopify.com/s/files/1/0512/1661/3529/files/04_MARK-PDP-BA.png?v=1768320377","https://cdn.shopify.com/s/files/1/0512/1661/3529/files/05_MARK-PDP-BA.png?v=1768320377","https://cdn.shopify.com/s/files/1/0512/1661/3529/files/07_MARK-PDP.jpg?v=1768320377","https://cdn.shopify.com/s/files/1/0512/1661/3529/files/08_MARK-PDP.jpg?v=1768320377","https://cdn.shopify.com/s/files/1/0512/1661/3529/files/09_MARK-PDP.jpg?v=1768320377","https://cdn.shopify.com/s/files/1/0512/1661/3529/files/0011_MARK-PDP.jpg?v=1767811971","https://cdn.shopify.com/s/files/1/0512/1661/3529/files/CPANDKEY.jpg?v=1768320357"],"price":38,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:44:54.439Z"},"share_url":"https://firestarter.network/l/lst_PNFFZnj9","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_PNFFZnj9' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy The Mark' and a budget_max comfortably above $38.00 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."]}}