{"type":"firestarter.listing","listing":{"id":"lst_uuAidX6l","product_name":"B24 - (SNR) Serenity (Brand new resin)","category":"Fountain Pen","description":"Introducing Serenity, Starry Night's latest resin masterpiece in the beloved B24 model. This mesmerizing blend of blue, purple, green, and black swirls together to create a pen that's as soothing to look at as it is to hold. With its sleek clip and perfectly weighted design, Serenity strikes the ideal balance between style and comfort—the perfect companion for anyone seeking a little calm in their writing. Each pen is handcrafted with premium resin, ensuring no two are exactly alike. Whether you're jotting down daily thoughts, signing important documents, or simply enjoying the tactile pleasure of quality writing, Serenity delivers both performance and personality. The smooth ink flow pairs beautifully with the pen's tranquil aesthetic, making every stroke feel intentional and satisfying. Treat yourself or gift this one-of-a-kind writing instrument to someone who appreciates the finer things.\nPlease note: the pen you receive may not be the exact pen pictured. Being a handmade material, there are variances in swirl patterns.","images":["https://cdn.shopify.com/s/files/1/0329/5117/3260/files/20260127-PXL_20260127_223719219.jpg?v=1769613071","https://cdn.shopify.com/s/files/1/0329/5117/3260/files/20260127-PXL_20260127_223654772.jpg?v=1769613071","https://cdn.shopify.com/s/files/1/0329/5117/3260/files/20260127-PXL_20260127_223753862.jpg?v=1769613071","https://cdn.shopify.com/s/files/1/0329/5117/3260/files/20260127-PXL_20260127_223659947.jpg?v=1769613071","https://cdn.shopify.com/s/files/1/0329/5117/3260/files/20260127-PXL_20260127_223707531.jpg?v=1769613071","https://cdn.shopify.com/s/files/1/0329/5117/3260/files/Hinze-Custom-Order-Form-1_Page_1_6723b42c-8f54-49e6-ae4b-a2dbc2273025.jpg?v=1771952136","https://cdn.shopify.com/s/files/1/0329/5117/3260/files/Hinze-Custom-Order-Form-1_Page_2_10b8831f-3900-4907-a9c1-c8e010d342f3.jpg?v=1771952136"],"price":229.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:47:21.045Z"},"share_url":"https://firestarter.network/l/lst_uuAidX6l","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_uuAidX6l' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy B24 - (SNR) Serenity (Brand new resin)' and a budget_max comfortably above $229.99 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."]}}