{"type":"firestarter.listing","listing":{"id":"lst_FkQN-3aK","product_name":"MSG (Monosodium Glutamate)","category":null,"description":"Pure umami flavor, enhancing the taste of any savory dish.\n Monosodium glutamate (MSG) is a flavor enhancer that amplifies umami notes in foods. Perfect for boosting the taste of soups, stir-fries, or marinades, just a small amount can make your dishes more flavorful and satisfying. Did you know that MSG contains 2/3rds the sodium as salt? \n LEARN MORE ABOUT MSG.\n Details: Made in the USA from fermented corn. Gluten-free.\n \n Zero-Waste Spice Refills Packaged in Compostable Packaging:\n \n \n Small Refill: scant 1/4 cup volume (1.4 oz net weight)\n \n Large Refill: 1/2 cup volume (4.0 oz net weight)\n \n Refill packaging is made from plants and safe for home composting. It's not meant for long-term storage; please transfer to airtight containers. Read about our zero-waste packaging here.\n Reusable Glass Magnetic Jars:\n \n \n Small Jar: scant 1/4 cup volume\n \n Large Jar: 1/2 cup volume \n \n \n \n New to Gneiss Spice? Check out our FAQs videos. Purchasing over a dozen jars? Buy a boxed custom kit and save over 10%.\n ","images":["https://cdn.shopify.com/s/files/1/1030/2399/products/kosher_sea_salt_SQ.jpeg?v=1541653393"],"price":4,"currency":"USD","in_stock":true,"inventory_qty":39996,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:11.471Z"},"share_url":"https://firestarter.network/l/lst_FkQN-3aK","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_FkQN-3aK' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy MSG (Monosodium Glutamate)' and a budget_max comfortably above $4.00 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."]}}