{"type":"firestarter.listing","listing":{"id":"lst_xPBaSfBa","product_name":"Purple Heart Tomato","category":"Vegetables","description":" A delicious variety from the Dwarf Tomato Project. These vigorous plants are multi-branching, productive, and on the large side for a dwarf variety–but less sprawling than most indeterminate tomatoes. The dark purple, reliably heart-shaped fruits are meaty in texture with a well-balanced flavor. As a medium-sized tomato, they’re also great for slicing and saucing! Great for growing in containers.\n","images":["https://cdn.shopify.com/s/files/1/0072/0909/1117/products/PurpleHeartTomato_2.jpg?v=1735578890","https://cdn.shopify.com/s/files/1/0072/0909/1117/files/purple_heart.png?v=1739840348","https://cdn.shopify.com/s/files/1/0072/0909/1117/products/PurpleHeartTomato_12.jpg?v=1739840348"],"price":4.99,"currency":"USD","in_stock":true,"inventory_qty":29997,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:37.479Z"},"share_url":"https://firestarter.network/l/lst_xPBaSfBa","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_xPBaSfBa' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Purple Heart Tomato' and a budget_max comfortably above $4.99 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."]}}