{"type":"firestarter.listing","listing":{"id":"lst_fwyDif5b","product_name":"Parker-Style Refill Adapter","category":"Spare Part","description":"This adapter allows you to use Parker-style refills in the Bolt Action and Side Click Standard sizes. It's machined from titanium and there's a nub that you insert into the back of Parker-style refills and then slide them in like normal.\nNote: We will include a \"Short\" spring as the springs that come on the Standard pens do not work with the Parker-style refills.","images":["https://cdn.shopify.com/s/files/1/0082/2840/5353/files/parker_adapter.jpg?v=1689104299"],"price":10,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:47:18.174Z"},"share_url":"https://firestarter.network/l/lst_fwyDif5b","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_fwyDif5b' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Parker-Style Refill Adapter' and a budget_max comfortably above $10.00 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."]}}