{"type":"firestarter.listing","listing":{"id":"lst_M_u0lr9H","product_name":"What's Your Sign? Crew Socks","category":"Crew Socks","description":"Show off your sign with our astrology socks! Whether you're a fiery Aries or a dreamy Pisces, these socks have your star style covered.","images":["https://cdn.shopify.com/s/files/1/0651/7260/3038/files/W0491-WhatsYourSign-WomensCrew-Model_Front.jpg?v=1724932253","https://cdn.shopify.com/s/files/1/0651/7260/3038/files/W0491-WhatsYourSign-WomensCrew-Model_Back.jpg?v=1724932256","https://cdn.shopify.com/s/files/1/0651/7260/3038/files/W0491-WhatsYourSign-WomensCrew-Legform.jpg?v=1724932259","https://cdn.shopify.com/s/files/1/0651/7260/3038/files/W0491-WhatsYourSign-WomensCrew-Detail.jpg?v=1724932263"],"price":8.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:43:32.840Z"},"share_url":"https://firestarter.network/l/lst_M_u0lr9H","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_M_u0lr9H' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy What's Your Sign? Crew Socks' and a budget_max comfortably above $8.99 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."]}}