{"type":"firestarter.listing","listing":{"id":"lst_wqpvI-k6","product_name":"Model 90 Artium Pencil - Black White","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..\nHere is our favorite pencil in a sharp black and white contrast. One interesting feature is where the black meets the white it turns the white grey, making the pencil a grayscale three tone colorway.   ♦ 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. Lead can be sharpened with traditional sharpeners with a careful touch. ♦ 5.37\" long / .47\" thick at mid barrel / .50\" thick at top♦ Lifetime warranty\n♦ Ships in a Franklin-Christoph one pen zippered pouch with outer white box.\n ","images":["https://cdn.shopify.com/s/files/1/0023/7679/4187/products/90BlackWhiteMP.jpg?v=1657552787","https://cdn.shopify.com/s/files/1/0023/7679/4187/products/90BlackWhiteangle.jpg?v=1657552788"],"price":90,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:47:20.152Z"},"share_url":"https://firestarter.network/l/lst_wqpvI-k6","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_wqpvI-k6' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Model 90 Artium Pencil - Black White' 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."]}}