{"type":"firestarter.listing","listing":{"id":"lst_5H6P5TjA","product_name":"Witchy Eyeliner - Waterproof Heart Stamp Pen","category":null,"description":"Cast a spell with every swipe. The Witchy Liner is your new dual-ended obsession—one side features an ultra-precise black liquid eyeliner with a fine felt tip for razor-sharp wings, while the other stamps on a perfect little heart. Whether you're feeling sweet or sinister, this pen delivers bold pigment, no smudging, and serious staying power. Waterproof, vegan, and totally bewitching.\nPerfect for: Cat eyes, graphic looks, and leaving your mark.","images":["https://cdn.shopify.com/s/files/1/1832/3013/files/witchy-liner_7fe03f72-d56a-4faa-8305-5d95768017af.png?v=1770481931","https://cdn.shopify.com/s/files/1/1832/3013/files/model-eyeliner-1.png?v=1775317360","https://cdn.shopify.com/s/files/1/1832/3013/files/witchy_liner_eyeliner_pen_with_heart.png?v=1775317360","https://cdn.shopify.com/s/files/1/1832/3013/files/eyeliner-model-1.png?v=1775317360"],"price":16,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:03.042Z"},"share_url":"https://firestarter.network/l/lst_5H6P5TjA","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 ","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_5H6P5TjA' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Witchy Eyeliner - Waterproof Heart Stamp Pen' and a budget_max comfortably above $16.00 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."]}}