{"type":"firestarter.listing","listing":{"id":"lst_buxidyxe","product_name":"Model 90 Artium Pencil - Black Cathedral","category":"Pencils - Model 90","description":"♦ The Model 90 Artium is an artist's pencil with a lot of cross functional use. Great to be a note taker, scribbler, hi-lighter  as well as a tool for sketching, drawing, and coloring. This edition has a black acrylic body with a cathedral acrylic button. Cathedral is one of our flagship materials which harkens the look of stained glass with deep blues, reds, greens, and yellows. Note that each button will look slightly different from pencil to pencil. ♦ Made of acrylic with chrome plated brass end piece. Lightweight and great for long use. ♦ We mill in a flat on the upper end to be a roll stopper, placement area for stability on a flat surface.♦ Click mechanism.♦ 3.15 lead width, available in HB (one included), 2B, and 5B. Pastel refills in red, blue, green and yellow. To buy refills go to the 3.15 page.♦ 5.37\" long / .47\" thick at mid barrel / .50\" thick at top♦ Lifetime warranty\n♦ Ships with the bonus of a zippered pouch.  ","images":["https://cdn.shopify.com/s/files/1/0023/7679/4187/products/90BlackCathedralMPangle.jpg?v=1648746528","https://cdn.shopify.com/s/files/1/0023/7679/4187/products/90BlackCathedralleaddown.jpg?v=1648746531","https://cdn.shopify.com/s/files/1/0023/7679/4187/products/90BlackCathedralend.jpg?v=1648746533"],"price":90,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:47:20.149Z"},"share_url":"https://firestarter.network/l/lst_buxidyxe","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_buxidyxe' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Model 90 Artium Pencil - Black Cathedral' and a budget_max comfortably above $90.00 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."]}}