{"type":"firestarter.listing","listing":{"id":"lst_fpVQPTiN","product_name":"TWISTURA String","category":"Audio Cable","description":"\n                                            Litz-Structure Hybrid Upgrade Cable                        The Litz braided structure shields from external electromagnetic interference and reduces its own electromagnetic emissions, ensuring greater signal purity.                                                                                    Optimized Conductivity for Stable Signal Transmission                        This 42-core single-strand monocrystalline copper silver-plated hybrid cable features two strands with a total of 84 cores, providing excellent conductivity, reduced signal transmission loss, and improved stability. The design ensures high-purity signal delivery for a superior audio experience.                                                                                    Enhanced Durability and Precision Construction                        The silver-plated monocrystalline copper enhances conductivity, prevents oxidation, reduces contact resistance, and ensures reliable connections. The cable is meticulously crafted with 15 × 0.08mm monocrystalline copper, 3 × 0.08mm silver-plated monocrystalline copper, and 24 × 0.08mm Furukawa silver-plated copper for outstanding performance.                                                                                    Brushed Stainless Steel Finish                        With its unique appearance and texture, the brushed stainless steel finish enhances both aesthetics and functionality, offering improved wear resistance and corrosion protection.                                                                                    Over-Ear Hook Design                        The ergonomic over-ear hook fits snugly around the ear, reducing pressure on the ear canal while enhancing stability and comfort during extended use. Compatible with 0.78mm connectors.                                                                                    Interchangeable Plug Design                        Featuring a threaded co","images":["https://cdn.shopify.com/s/files/1/0040/7201/3924/files/String__08.jpg?v=1732869986"],"price":65.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:45.512Z"},"share_url":"https://firestarter.network/l/lst_fpVQPTiN","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_fpVQPTiN' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy TWISTURA String' and a budget_max comfortably above $65.99 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."]}}