{"type":"firestarter.listing","listing":{"id":"lst_U5B2nELw","product_name":"TX Springs (Short)","category":"Springs","description":"Introduction\nOur springs have been widely accepted as one of the best aftermarket springs among the keyboard enthusiasts.\n\nWe will STOP calling our springs “slow curved” or “progressive” because we do not think they are intuitive. They are short springs (14mm) and long springs (16mm) compared to stock Cherry springs (15mm).\nSpecifications\n\nCherry MX compatible (this store does not stock Kailh-compatible springs, only International store does) \nSprings are made from stainless steel wire and have gone through vigorous QC to make sure that each spring does not have a deviation outside of -1/+1\nSprings Only means no lube included. Springs will be shipped in a bag.\n\nThe lube comes with the spring is paraffin synthetic oil kin ordered from a specific factory so it’s not associated with any brands.\nForce is measured at bottom out.\n110 springs each case/pack. \n","images":["https://cdn.shopify.com/s/files/1/0277/8021/8940/products/Springs.jpg?v=1762530285","https://cdn.shopify.com/s/files/1/0277/8021/8940/products/TXsprings_4afcdc31-d623-4127-8f03-6717800f73eb.jpg?v=1654628571","https://cdn.shopify.com/s/files/1/0277/8021/8940/products/d903356c1b991.jpg?v=1654628571"],"price":6.5,"currency":"USD","in_stock":true,"inventory_qty":129987,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:54.983Z"},"share_url":"https://firestarter.network/l/lst_U5B2nELw","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_U5B2nELw' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy TX Springs (Short)' and a budget_max comfortably above $6.50 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."]}}