{"type":"firestarter.listing","listing":{"id":"lst_hCDKUX6e","product_name":"Cast Iron Garden Line","category":"Twines & Tapes","description":"Garden lines have long been an essential tool for gardeners, helping to create perfectly straight borders, beds, and pathways with ease. Inspired by traditional Victorian designs, this substantial cast iron garden line features pointed stakes that penetrate even tougher soils. A clear powder-coated finish enhances the durability of the cast iron construction, helping it withstand the seasons. Ideal for marking out garden beds, sowing seeds, or laying pathways, the smooth unwinding mechanism keeps your twine tangle-free, making it easy to achieve crisp, straight lines every time.","images":["https://cdn.shopify.com/s/files/1/0720/5824/1345/files/vintagegardenline.webp?v=1782413180"],"price":48,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-07-03T16:16:26.434Z"},"share_url":"https://firestarter.network/l/lst_hCDKUX6e","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_hCDKUX6e' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Cast Iron Garden Line' and a budget_max comfortably above $48.00 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."]}}