{"type":"firestarter.listing","listing":{"id":"lst_4CZQUaqv","product_name":"Universal Sternum Strap by Symbiosis Gear","category":"Pack Accessories","description":"\n\n\nShips in 1-2 business days | Based in Denver, CO | Est. 2024\nSymbiosis Gear's Universal Sternum Strap effortlessly attaches to most backpacks with daisy chain webbing along the shoulder straps. It can easily be positioned exactly where you want it to fit on your body. The design of this sternum strap uses double elastic webbing for a balance of stretch, comfort, and durability, so it moves with your body instead of restricting it. It's the same Symbiosis Gear Sternum Strap that is found on The Aspen pack that people love; now you can add it to other packs! \nFeatures:\n\nCompatible with most backpacks with a daisy-chain webbing shoulder strap \nAdjustable positioning for a personalized fit\nDouble elastic webbing for comfort and durability\nLightweight and simple to install\nDesigned for movement, stability, and all-day comfort\n\n\n_______________________________________________\nSpecs\nDimensions: \n\nFully Extended: 19\" | 48cm\nFully Tightened: 6\" | 15cm\n\nWeight: 0.7oz | 20g \nDesigned in the U.S.A | Made in Vietnam","images":["https://cdn.shopify.com/s/files/1/0537/1177/files/UniversalSternumStrapbySymbiosisGear.jpg?v=1776454724","https://cdn.shopify.com/s/files/1/0537/1177/files/UniversalSternumStrapbySymbiosisGearlifestyleclose.jpg?v=1776454724","https://cdn.shopify.com/s/files/1/0537/1177/files/UniversalSternumStrapbySymbiosisGearclose.jpg?v=1776454724","https://cdn.shopify.com/s/files/1/0537/1177/files/UniversalSternumStrapbySymbiosisGearlifestyle.jpg?v=1776454724"],"price":12,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:42.687Z"},"share_url":"https://firestarter.network/l/lst_4CZQUaqv","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_4CZQUaqv' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Universal Sternum Strap by Symbiosis Gear' and a budget_max comfortably above $12.00 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."]}}