{"type":"firestarter.listing","listing":{"id":"lst_Q2LETNIv","product_name":"Leonardo MZG Fountain Pen Pura - Red ST","category":"Fountain Pen","description":"MZG PURA frostedNew edition, 3 colorsAvailable for the first days of March 2026 (pre-orders open) the new Pura collection comes in 3 colors: Petrol, gray and red, frosted finishes (sandblasted).Each color is available in 3 metallic finishes: Gold, Ruthenium and Palladium. The nibs are therefore divided as follows: Petrol Gold/Palladium/Ruthenium, 6mm nib La Fenice steelPetrol Gold/Palladium/Ruthenium, 6mm nib La Fenice 14kt goldPetrol Gold/Palladium/Ruthenium, 8mm steel nib Grey Gold/Palladium/Ruthenium, 6mm nib La Fenice steel Grey Gold/Palladium/Ruthenium, 6mm nib La Fenice 14kt gold Grey Gold/Palladium/Ruthenium, 8mm steel nib Red Gold/Palladium/Ruthenium, 6mm nib La Fenice steel Red Gold/Palladium/Ruthenium, 6mm nib, La Fenice 14kt gold. Red Gold/Palladium/Ruthenium, 8mm steel nib • 6mm steel nibs: EF, F, M, B, Stub1.1, Stub1.5, Elastic F, Elastic EF.• 6mm gold nibs (ebonite nib): EEF, EF, F, M, B, Stub1.1, Elastic F, Elastic EF. • 8mm steel nibs (ebonite nib): EF, F, M, B","images":["https://cdn.shopify.com/s/files/1/0575/7177/files/Leonardo-MZG-Fountain-Pen-Pura-Red-ST.jpg?v=1777837161","https://cdn.shopify.com/s/files/1/0575/7177/files/Leonardo-MZG-Fountain-Pen-Pura-Red-ST-2.jpg?v=1777837163","https://cdn.shopify.com/s/files/1/0575/7177/files/Leonardo-MZG-Fountain-Pen-Pura-Red-ST-3.jpg?v=1777837164"],"price":299,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:58.876Z"},"share_url":"https://firestarter.network/l/lst_Q2LETNIv","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_Q2LETNIv' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Leonardo MZG Fountain Pen Pura - Red ST' and a budget_max comfortably above $299.00 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."]}}