{"type":"firestarter.listing","listing":{"id":"lst_T3HW_y-y","product_name":"HMX Crisp Linear Switches","category":"Switches","description":"Overview\nHMX Crisp Linear - POM stem with Teflon-infused housing to create a distinct crisp sound profile rather than the typical thock. Available in 2 variants: 37g and 42g actuation. Sold in packs of 18.\nSpecifications\n\nActuation Force: 37g/42g\nBottom-out Force: 43g/53g\nPre-travel: 1.0±0.2mm\nTotal Travel: 3.5±0.3m\nStem: POM\nTop Housing: PA12+PTFE\nBottom Housing: POM+PTFE\nSprings: 22mm, SIngle-stage, KOS\nPre-Lubed: Yes\nTyping Style: Linear\n\n5-pin\n\n","images":["https://cdn.shopify.com/s/files/1/0277/8021/8940/files/CrispyLinear.png?v=1774155347"],"price":5.75,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:54.642Z"},"share_url":"https://firestarter.network/l/lst_T3HW_y-y","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_T3HW_y-y' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy HMX Crisp Linear Switches' and a budget_max comfortably above $5.75 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."]}}