{"type":"firestarter.listing","listing":{"id":"lst_QjH87Per","product_name":"EP1 Replacement Thumbstud","category":"Accessories","description":"Replacement thumbstud for your EP1. This is the piece (attached to the piston) you use with your thumb to open and close the pen. You can screw and unscrew this piece with a t6 torx bit.","images":["https://cdn.shopify.com/s/files/1/0251/8214/2519/products/copper_ts.jpg?v=1638394403","https://cdn.shopify.com/s/files/1/0251/8214/2519/products/black_ts.jpg?v=1638394403","https://cdn.shopify.com/s/files/1/0251/8214/2519/products/brass_ts.jpg?v=1638394403","https://cdn.shopify.com/s/files/1/0251/8214/2519/products/gm_ts.jpg?v=1637634487","https://cdn.shopify.com/s/files/1/0251/8214/2519/products/polished_ts.jpg?v=1637634486","https://cdn.shopify.com/s/files/1/0251/8214/2519/products/sw_ts.jpg?v=1637634486"],"price":7.95,"currency":"USD","in_stock":true,"inventory_qty":59994,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:47.241Z"},"share_url":"https://firestarter.network/l/lst_QjH87Per","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_QjH87Per' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy EP1 Replacement Thumbstud' and a budget_max comfortably above $7.95 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."]}}