{"type":"firestarter.listing","listing":{"id":"lst_1zLQjgXz","product_name":"Rock Stuff Sack","category":"Accessories","description":"\nGreat, durable rock sack. Don’t waste time trying to tie string around a rock. Perfect for storing cord, too. Keeps bears safe!\n– Alex D., ★★★★★\nMake bear bagging easy with this rock sack. Just put a small rock, sand, or gravel in it, tie your bear line to it, and toss it over a branch. Constructed from ultralight but durable 1.6 oz/sqyd Dyneema® Composite Fabric to resist abrasion and punctures.This is also available as part of a Bear Bagging Kit .\nNeed a different size? Check out the rest of our Stuff Sack collection.","images":["https://cdn.shopify.com/s/files/1/0004/4652/9572/products/RockSack.jpg?v=1627317107","https://cdn.shopify.com/s/files/1/0004/4652/9572/products/Image7-23-21at12.40PM.jpg?v=1627317118","https://cdn.shopify.com/s/files/1/0004/4652/9572/files/zpacks-rock-stuff-sack-11.webp?v=1741968818"],"price":14.95,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:40.089Z"},"share_url":"https://firestarter.network/l/lst_1zLQjgXz","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_1zLQjgXz' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Rock Stuff Sack' and a budget_max comfortably above $14.95 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."]}}