{"type":"firestarter.listing","listing":{"id":"lst_KUQyU6PC","product_name":"Shepherd Boy Farms Duck Heart","category":null,"description":"A Single-Ingredient Source of Taurine &amp; Protein for DogsHigh-Reward Training Treat | Heart Health Support | Freeze-Dried Whole Organ Meat\nGive your dog a treat that does more than taste good—it nourishes from the inside out. Shepherd Boy Farms Duck Heart is a clean, freeze-dried organ meat rich in natural taurine, B vitamins, and essential amino acids that fuel the heart, brain, and muscles.\n✓ High in taurine to nourish heart and eye health✓ Packed with protein, iron, and B vitamins for energy and vitality✓ Freeze-dried to lock in nutrients and flavor✓ 100% single-ingredient raw whole organ meat✓ Sourced and made in the USA\nWhy It Works\nDuck heart is a concentrated source of bioavailable nutrients your dog’s body recognizes and uses efficiently. It's naturally high in taurine, an amino acid essential for cardiovascular function, especially in breeds prone to heart issues. Duck heart also delivers heme iron for oxygen transport, B vitamins for energy, and coenzyme Q10, which plays a critical role in cellular energy production. As a freeze-dried treat, it’s both nutrient-dense and highly palatable, making it ideal for picky eaters and dogs with food sensitivities.\nWhat’s Inside—and How It Helps\n→ Duck Heart – Delivers taurine, iron, and coQ10 to support the heart, muscle tone, energy metabolism, and cellular health\nHow to Use\nServe as a training treat, reward, or nutrient booster. Offer whole or break into smaller pieces. Safe for daily use as part of a balanced diet.\nPerfect For:\n✓ Dogs who need heart or cardiovascular support✓ Picky eaters or high-reward training✓ Pet parents seeking single-ingredient, nutrient-rich treats✓ Sensitive dogs needing novel proteins\n\nShepherd Boy Farms Duck Heart gives your dog the organ-rich nourishment their body thrives on—delicious, functional, and made with nothing but pure duck heart.","images":["https://cdn.shopify.com/s/files/1/0702/6733/9061/files/Copy_of_Copy_of_Copy_of_Copy_of_Untitled_Design.zip_-_202.png?v=1762653203","https://cdn.shopify.com/s/files/1/0702/6733/9061/files/Untitled_design.zip_-_242_7abbaa08-b46c-47ef-be34-c740aaa2f660.png?v=1762653203","https://cdn.shopify.com/s/files/1/0702/6733/9061/files/Untitled_design.zip_-_241_83c0aa01-ff9e-49ec-b7ba-5fe30708d200.png?v=1762653203","https://cdn.shopify.com/s/files/1/0702/6733/9061/files/Untitleddesign.zip-3_ff7d128b-1c65-4c08-8577-990eb3eba471.png?v=1762653203","https://cdn.shopify.com/s/files/1/0702/6733/9061/files/Untitleddesign.zip-4_132cefbc-134d-4df1-81a3-6222744688c5.png?v=1762653203","https://cdn.shopify.com/s/files/1/0702/6733/9061/files/Untitleddesign.zip-6_aeb9679a-b67f-4322-a954-20b8a0fb71c0.png?v=1762653203","https://cdn.shopify.com/s/files/1/0702/6733/9061/files/Untitled_design.zip_-_245_b40029a0-b981-4464-bd89-b18b90d78989.png?v=1762653203","https://cdn.shopify.com/s/files/1/0702/6733/9061/files/Untitled_design.zip_-_207_eecd2bb3-a40c-477a-ab08-248c45e0ad76.png?v=1762653203","https://cdn.shopify.com/s/files/1/0702/6733/9061/files/Untitleddesign.zip-7_43be696f-1d0a-4ecc-82fa-b8ab5c6cc64c.png?v=1762653203"],"price":20.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:37.989Z"},"share_url":"https://firestarter.network/l/lst_KUQyU6PC","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_KUQyU6PC' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Shepherd Boy Farms Duck Heart' and a budget_max comfortably above $20.99 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."]}}