{"type":"firestarter.listing","listing":{"id":"lst_4issNJC4","product_name":"Shiitake (Powder) — USA Grown Organic","category":null,"description":"Earthy mushroom powder for rich umami flavor.\n Shiitake mushroom powder brings deep, earthy umami to your dishes. Perfect for boosting the flavor of soups, sauces, stir-fries, and marinades, this versatile powder adds a savory richness that complements both vegetarian and meat-based recipes. Looking for a bolder mushroom flavor? Try porcini powder.\n Details: Certified Organic. Origin USA.\n \n \n \n \n \n \n Shiitake vs. Porcini for Culinary Use:\n \n \n Shiitake: Has a milder, earthy flavor with subtle woodsy undertones. They add a delicate umami depth, making them ideal for Asian-inspired dishes like stir-fries, ramen, and dumpling fillings. Shiitake works well in recipes where a balanced, less overpowering mushroom flavor is desired, especially in vegetarian and lighter dishes.\n \n \n Porcini: Offers a bolder, more robust flavor profile with intense umami and nutty, almost smoky notes. Their rich taste makes them perfect for heartier dishes like risottos, stews, and meat rubs. Porcini adds a powerful earthy richness, enhancing sauces, gravies, and roasted meats with deeper flavors than shiitake.\n \n \n \n \n \n \n \n \n Zero-Waste Spice Refills Packaged in Compostable Packaging:\n \n \n Small Refill: scant 1/4 cup volume (0.8 oz net weight)\n \n Large Refill: 1/2 cup volume (2.0 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 \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/files/porcini-powder-1_d00d5ba3-c0e1-4a0d-925f-e1bbf2c75882.jpg?v=1706481597"],"price":5.5,"currency":"USD","in_stock":true,"inventory_qty":39996,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:11.589Z"},"share_url":"https://firestarter.network/l/lst_4issNJC4","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_4issNJC4' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Shiitake (Powder) — USA Grown Organic' and a budget_max comfortably above $5.50 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."]}}