{"type":"firestarter.listing","listing":{"id":"lst_0LuOWwSj","product_name":"Mechanical Eraser for Details","category":"Eraser","description":"Tomorrow Mono Zero Eraser (Round)Mechanical Eraser for DetailsMade in Japan\nOne of our very favorite erasers!  It is perfect for detailed erasing, when you need to get in to tidy up the nooks and crannies of your pencil drawing.  It is also useful if you're working on a negative graphite drawing and erasing out the subject from a graphite background.  \nReasons we love this eraser:\n\nCan be refilled!\nWhite eraser, so your nice paper won't get smudged (as can happen with colored erasers)\nMetal tip holds eraser tip in place, eliminating the frustration of using corners of a larger eraser for details.\n\n\n**Refills sold separately**\n© Greenleaf &amp; Blueberry 2020www.greenleafblueberry.com","images":["https://cdn.shopify.com/s/files/1/1696/5931/products/IMG_2434.jpg?v=1601740872","https://cdn.shopify.com/s/files/1/1696/5931/products/IMG_2435.jpg?v=1601740872","https://cdn.shopify.com/s/files/1/1696/5931/products/IMG_2436.jpg?v=1601740872"],"price":5.5,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:47:24.627Z","product_rating":null,"product_rating_count":0,"seller_rating":null,"seller_rating_count":0,"units_sold":0,"reviews":{"count":0,"top":[]},"videos":[]},"share_url":"https://firestarter.network/l/lst_0LuOWwSj","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_0LuOWwSj' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Mechanical Eraser for Details' and a budget_max comfortably above $5.50 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."]}}