{"type":"firestarter.listing","listing":{"id":"lst_WsSyxQ5p","product_name":"SkinHero™ Calendula + 2% Bakuchiol Bio-Retinol Serum","category":"SERUMS","description":"A gentle yet effective bakuchiol serum designed to visibly smooth fine lines, help boost skin elasticity, and support brighter, more even-looking skin, all while being gentle on the skin. Powered by 2% bakuchiol, calendula extract, and nutrient-rich rosehip seed oil, this plant-based bio-retinol serum is designed for nightly use as part of a consistent skincare routine.","images":["https://cdn.shopify.com/s/files/1/0275/0903/0983/files/skinhero-calendula-2-bakuchiol-bio-retinol-serum-2833043.png?v=1764277570","https://cdn.shopify.com/s/files/1/0275/0903/0983/files/skinhero-sample-sachet-9696356.png?v=1776267710","https://cdn.shopify.com/s/files/1/0275/0903/0983/files/skinhero-calendula-2-bakuchiol-bio-retinol-serum-2599112.png?v=1778301851","https://cdn.shopify.com/s/files/1/0275/0903/0983/files/best-sellers-4-step-routine-3097270.png?v=1776267710","https://cdn.shopify.com/s/files/1/0275/0903/0983/files/firming-night-duo-3899214.png?v=1776267710","https://cdn.shopify.com/s/files/1/0275/0903/0983/files/skinhero-calendula-2-bakuchiol-bio-retinol-serum-7653166.png?v=1776265348","https://cdn.shopify.com/s/files/1/0275/0903/0983/files/skinhero-sample-sachet-7434392.png?v=1768427819","https://cdn.shopify.com/s/files/1/0275/0903/0983/files/skinhero-calendula-2-bakuchiol-bio-retinol-serum-5120468.png?v=1768427819","https://cdn.shopify.com/s/files/1/0275/0903/0983/files/skinhero-calendula-2-bakuchiol-bio-retinol-serum-9342338.png?v=1778301849"],"price":40,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-18T20:44:54.550Z"},"share_url":"https://firestarter.network/l/lst_WsSyxQ5p","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_WsSyxQ5p' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy SkinHero™ Calendula + 2% Bakuchiol Bio-Retinol Serum' and a budget_max comfortably above $40.00 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."]}}