{"type":"firestarter.listing","listing":{"id":"lst_TFVC0xPl","product_name":"Cleaning Coupling by Sawyer","category":"Cookware Accessories","description":"Ships in 1-2 business days | Based in Florida | Est. 1984\nThe Sawyer Cleaning Coupling offers an alternative way to clean your Sawyer Squeeze filter or dual threaded MINI filter using a standard plastic bottle.\nTo clean your filter with the Cleaning Coupling, remove the push-pull cap from your filter, attach the Coupling, then screw the other side of the Coupling onto a bottle filled with clean, filtered water.\nOnce attached, you can forcefully squeeze the bottle to backwash and clean your filter.\n\n\n\n_______________________________________________\nSpecs\nWeight: 0.2oz | 5.7g","images":["https://cdn.shopify.com/s/files/1/0537/1177/files/sawyer_cleaning_coupling_water_purification_backpacking.jpg?v=1722873663"],"price":3.89,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:45.677Z"},"share_url":"https://firestarter.network/l/lst_TFVC0xPl","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_TFVC0xPl' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Cleaning Coupling by Sawyer' and a budget_max comfortably above $3.89 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."]}}