{"type":"firestarter.listing","listing":{"id":"lst_HOHsjRtM","product_name":"Hero Arts Woodblock Letter Rubber Stamp Sets","category":null,"description":"Compact, easy to grip letter stamps in a playful font! These uppercase and lowercase sets are great to have around for gift tags, cards, cubby labels and more. Try them with our colorful Yellow Owl All-Surface Ink Pads!\nUppercase package measures ~1.75\" x wide x 3.25\" long x 1.75\"; each letter is ~1/4\"\nLowercase package measures ~2\" x wide x 2.75\" long x 1.75\" high; each letter is ~1/4\"","images":["https://cdn.shopify.com/s/files/1/0631/2017/9426/files/2025-11-1616.47.40.jpg?v=1763679662","https://cdn.shopify.com/s/files/1/0631/2017/9426/files/2025-11-1616.47.51.jpg?v=1763679662"],"price":12,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-07-03T15:30:02.549Z"},"share_url":"https://firestarter.network/l/lst_HOHsjRtM","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_HOHsjRtM' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Hero Arts Woodblock Letter Rubber Stamp Sets' and a budget_max comfortably above $12.00 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."]}}