{"type":"firestarter.listing","listing":{"id":"lst_SKRvPTl-","product_name":"Grapefruit","category":"Ingredient","description":"Grapefruit’s Latin name citrus paradisi signifies it's tangy, juicy flavor, and bright, happy color. Most famous for its tasty flesh, the peel’s extracted oils are equally worth your attention for their skin benefits.\nLike the fruit itself, the essential oil boasts potent antioxidants, which help fight free radicals and protect the skin from premature aging. A strong lymphatic and antiseptic, grapefruit essential oil is an effective remedy for acne as it removes toxins and bacteria while protecting the skin and keeping it blemish-free. Thanks to its invigorating and stimulating properties, grapefruit essential oil is one of my favorite graceful aging tools, depuffing and firming as it restores your youthful glow.\nFeatured in: The Youth Dew &amp; The Happy Galaxy","images":["https://cdn.shopify.com/s/files/1/0296/7461/products/Ingredient_thumbnail_product_grapefruit.jpg?v=1759251645"],"price":0,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:44:52.816Z"},"share_url":"https://firestarter.network/l/lst_SKRvPTl-","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_SKRvPTl-' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Grapefruit' and a budget_max comfortably above $0.00 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."]}}