{"type":"firestarter.listing","listing":{"id":"lst_3WtSaWR4","product_name":"Plaid Napkin | Basil","category":"table linens","description":"We designed this napkin with summer luncheons + lemon basil spritzers on the terrace of Martha Stewart's Maine house in mind. Are you there Martha? It's me, Block Shop! Call me!\n\n 18 x 18 inches\n Hand block printed on 100% linen\n","images":["https://cdn.shopify.com/s/files/1/0197/9432/products/plaid_basil_flat.jpg?v=1617724053","https://cdn.shopify.com/s/files/1/0197/9432/products/Plaid_Basil_Styled_029-web.jpg?v=1617724053","https://cdn.shopify.com/s/files/1/0197/9432/products/plaid_basil_folded.jpg?v=1617724053","https://cdn.shopify.com/s/files/1/0197/9432/products/PLAID_BASIL_14489ff7-4530-4cfd-9f57-602e1ce8c084.jpg?v=1617724053"],"price":75,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-18T20:43:57.187Z"},"share_url":"https://firestarter.network/l/lst_3WtSaWR4","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_3WtSaWR4' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Plaid Napkin | Basil' and a budget_max comfortably above $75.00 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."]}}