{"type":"firestarter.listing","listing":{"id":"lst_mYXf7i0g","product_name":"Zebra G Nib, Set of 10","category":"Nib","description":"Zebra G Pen Nib, Set of 10Zebra Comic GMade in Japan\n \n \nThis is a chrome plated pen nib made for comics, and also widely used for calligraphy and general drawing and sketching.  Of the \"G\" nibs, the Zebra G draws the thinnest line, though many users can't distinguish a difference.\nThis set of 10 includes a small, plastic storage case. \n \n© Greenleaf &amp; Blueberry 2020www.greenleafblueberry.com","images":["https://cdn.shopify.com/s/files/1/1696/5931/products/IMG_4088_e28acce9-f93f-4b19-ba77-d09a71e0662b.jpg?v=1606502116","https://cdn.shopify.com/s/files/1/1696/5931/products/IMG_4089_199329ef-e7d3-4d02-85ea-f8b4bb1e2ed0.jpg?v=1606502116"],"price":19.2,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:47:24.599Z","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_mYXf7i0g","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_mYXf7i0g' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Zebra G Nib, Set of 10' and a budget_max comfortably above $19.20 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."]}}