{"type":"firestarter.listing","listing":{"id":"lst_5JtKCeHT","product_name":"Planets Junior Knee High Socks","category":"Knee High Socks","description":"Did you know that the Earth carries less than 1% of our solar system's mass? That's one massive solar system. Thankfully, we made these knee high socks out of our usual cotton/polyester blend; it should make walking much easier.","images":["https://cdn.shopify.com/s/files/1/0651/7260/3038/files/Planets-JuniorKneeHighSocks-YK0031-JK0031-MODEL-SIDE.jpg?v=1724930762","https://cdn.shopify.com/s/files/1/0651/7260/3038/files/JK0031-MODEL-REAR.jpg?v=1728533022","https://cdn.shopify.com/s/files/1/0651/7260/3038/files/Planets-JuniorKneeHighSocks-YC0031_JK0031_DETAIL.jpg?v=1724930762"],"price":10.5,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:43:33.687Z"},"share_url":"https://firestarter.network/l/lst_5JtKCeHT","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_5JtKCeHT' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Planets Junior Knee High Socks' and a budget_max comfortably above $10.50 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."]}}