{"type":"firestarter.listing","listing":{"id":"lst_xnAFGx92","product_name":"Leonardo Momento Zero Grande 2.0 Fountain Pen – Sottobosco – ST #8","category":"Fountain Pen","description":"Description\nSottobosco (Undergrowth) captures the essence of a quiet walk through nature’s warm, earthy palette. Its hues of amber, onyx, and yellow echo the golden tones of autumn, while the transparent elements of the cap and barrel reflect soft beams of sunlight filtering through forest branches. The result is a serene play of light and shadow — a meditative, mood-lifting experience reminiscent of writing with the MZG 2.0.\n\nTechnical Details\n\n  \nNib: Steel nib #8\n  \nFilling System: Integrated piston mechanism, 1.5 ml capacity\n  \nInk Window: Transparent window to indicate ink level\n  \nFeed: Japanese black ebonite feed\n  \nIncludes: Ink bottle in the presentation box\n\n","images":["https://cdn.shopify.com/s/files/1/0575/7177/files/Leonardo-Momento-Zero-Grande-2_0-Fountain-Pen-Sottobosco-ST-8_4a14b79b.jpg?v=1762525830","https://cdn.shopify.com/s/files/1/0575/7177/files/Leonardo-Momento-Zero-Grande-2_0-Fountain-Pen-Sottobosco-ST-8-2_c54886e1.jpg?v=1762525842","https://cdn.shopify.com/s/files/1/0575/7177/files/Leonardo-Momento-Zero-Grande-2_0-Fountain-Pen-Sottobosco-ST-8-3_c274eca1.jpg?v=1762525854","https://cdn.shopify.com/s/files/1/0575/7177/files/Leonardo-Momento-Zero-Grande-2_0-Fountain-Pen-Sottobosco-ST-8-4.jpg?v=1762525856"],"price":372,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:59.509Z"},"share_url":"https://firestarter.network/l/lst_xnAFGx92","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_xnAFGx92' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Leonardo Momento Zero Grande 2.0 Fountain Pen – Sottobosco – ST #8' and a budget_max comfortably above $372.00 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."]}}