{"type":"firestarter.listing","listing":{"id":"lst_KJ8-hjKX","product_name":"Graphgear 500 Mechanical Pencil - Various Sizes","category":"Pencil","description":"Pentel Graphgear 500 - Select desired size Mechanical PencilMade in Japan\nMatt's all-time favorite mechanical pencil!\nWhy we love it:\n\nMetal grip and components\nColor coding (each size is a different color)\nNice balance\n\n\nThis is Matt's preferred mechanical pencil, and one that I have also enjoyed using for years.  It features metal grip and components, plastic barrel, and a nice balance.  A more cost-effective alternative to the Graphgear 1000, that is top quality.\nWe hope you enjoy this pencil as much as we do!","images":["https://cdn.shopify.com/s/files/1/1696/5931/products/IMG_1664.jpg?v=1631909854","https://cdn.shopify.com/s/files/1/1696/5931/products/IMG_1665.jpg?v=1631909854"],"price":7.75,"currency":"USD","in_stock":true,"inventory_qty":39996,"dynamic_pricing":false,"listed_at":"2026-06-18T20:47:23.504Z","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_KJ8-hjKX","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_KJ8-hjKX' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Graphgear 500 Mechanical Pencil - Various Sizes' and a budget_max comfortably above $7.75 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."]}}