{"type":"firestarter.listing","listing":{"id":"lst_vOB1X_BF","product_name":"Arches Hot Press Watercolor Blocks","category":null,"description":"Arches 100% cotton, acid free and PH-neutral paper is mould-made, gelatin-sized and air-dried in France—the best of the best for five centuries! When you're ready to try a beautiful quality paper there's truly nothing nicer.\nEach block includes 20 sheets of natural white, hot pressed paper with a black protective sheet on top—make sure to remove this sheet to get started! The blocks are glued on three sides so that your work dries flat; simple use a bone folder or butter knife to loosen each piece when finished!","images":["https://cdn.shopify.com/s/files/1/0631/2017/9426/products/ArchesHotPressWatercolorPaperBlocks.jpg?v=1655242153"],"price":38,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:47:22.566Z"},"share_url":"https://firestarter.network/l/lst_vOB1X_BF","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_vOB1X_BF' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Arches Hot Press Watercolor Blocks' and a budget_max comfortably above $38.00 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."]}}