{"type":"firestarter.listing","listing":{"id":"lst_6tK-BgCH","product_name":"Replacement Ink for Permanent Liners","category":null,"description":"Copic Multiliner SP Ink Cartridge - Select cartridge size***Cartridge A: Sizes 0.03, 0.05, 0.1******Cartridge B: Sizes 0.3, 0.5, 0.7, BS***Waterproof, Permanent, ArchivalMade in Japan\nThis is the replacement ink cartridge for our favorite permanent liners.  Because the ink and nibs are replaceable, you can have the same pen body for many years.\n \n© Greenleaf &amp; Blueberry 2020www.greenleafblueberry.com","images":["https://cdn.shopify.com/s/files/1/1696/5931/products/IMG_2428_71cc98d5-7de6-4d45-8dd7-598f9cb8c937.jpg?v=1630541385","https://cdn.shopify.com/s/files/1/1696/5931/products/IMG_2429_17d75bf3-1c8b-4366-b9e1-cba9801a2b13.jpg?v=1630541385","https://cdn.shopify.com/s/files/1/1696/5931/products/IMG_2430_7b70b95a-6cdc-4115-a863-85921be0c410.jpg?v=1630541385"],"price":2.95,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:47:23.598Z","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_6tK-BgCH","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_6tK-BgCH' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Replacement Ink for Permanent Liners' and a budget_max comfortably above $2.95 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."]}}