{"type":"firestarter.listing","listing":{"id":"lst_KWAgUAPh","product_name":"Shanghai Stationary Ink - Imperial Post - 50ml","category":"Fountain Pen Ink","description":"\nPost service in China was opened to the public in 1877, and China’s first postage stamps had dragons imprinted. The 1/2-cent value of the 1897 shows this beautiful reddish brown colour.From the serie “Ancient China” \n50 ml ink bottled – ideal for fountainpens\n","images":["https://cdn.shopify.com/s/files/1/0575/7177/files/Shanghai-Stationary-Ink-Imperial-Post-50ml.jpg?v=1781536694","https://cdn.shopify.com/s/files/1/0575/7177/files/Shanghai-Stationary-Ink-Imperial-Post-50ml-2.jpg?v=1781536695"],"price":29,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:58.712Z"},"share_url":"https://firestarter.network/l/lst_KWAgUAPh","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_KWAgUAPh' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Shanghai Stationary Ink - Imperial Post - 50ml' and a budget_max comfortably above $29.00 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."]}}