{"type":"firestarter.listing","listing":{"id":"lst_LNRgQx7t","product_name":"EZ Step-In Harness for Small Pets (Nylon)","category":"Small Pet & Show","description":"Mendota's new line of Small Pet Harnesses - Available in 5 sizes and 4 colors to start out with. Great for our small dog friends, but not limited to cats, rabbits, guinea pigs, ferrets and iguanas!\nEasily pair this new harness with one of many different lengths and weights of our Petite Snap Leashes.\nSizing*:\nX-Small:     6\" - 10\"Small:         9\" - 13\"Medium:    12\" - 16\"Large:         15\" - 19\"X-Large:    18\" - 22\"\n* Determine size by measuring pet's torso circumference behind front legs.","images":["https://cdn.shopify.com/s/files/1/1467/3912/files/43110.jpg?v=1718931586","https://cdn.shopify.com/s/files/1/1467/3912/files/43111.jpg?v=1718931586","https://cdn.shopify.com/s/files/1/1467/3912/files/43112.jpg?v=1718931586","https://cdn.shopify.com/s/files/1/1467/3912/files/43113.jpg?v=1718931586","https://cdn.shopify.com/s/files/1/1467/3912/files/EZHarness_1a.jpg?v=1718931596","https://cdn.shopify.com/s/files/1/1467/3912/files/EZHarness_1b.jpg?v=1718931596"],"price":15.99,"currency":"USD","in_stock":true,"inventory_qty":199980,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:26.486Z"},"share_url":"https://firestarter.network/l/lst_LNRgQx7t","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 ","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_LNRgQx7t' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy EZ Step-In Harness for Small Pets (Nylon)' and a budget_max comfortably above $15.99 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."]}}