{"type":"firestarter.listing","listing":{"id":"lst_1TaydmP-","product_name":"Bass Clarinet H-Ligature","category":"D'Addario","description":"The H-Ligature was conceived as a \"retro\" version of the famous Harrison ligature, used by many of the worlds greatest saxophonists and clarinetists.  H-Ligatures make use of a four-point system, which applies equal pressure to the reed, and feature a two-screw, inverted design.","images":["https://cdn.shopify.com/s/files/1/0669/6042/5025/files/ds_HBC1S_main_transparent.png?v=1773013462","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/ds_HBC1S_detail1_transparent_d29bce3a-f2de-4665-b850-0f0105f0b245.png?v=1773013463","https://cdn.shopify.com/s/files/1/0669/6042/5025/files/ds_HBC1S_detail2_transparent.png?v=1773013463"],"price":57.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:55:57.878Z"},"share_url":"https://firestarter.network/l/lst_1TaydmP-","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_1TaydmP-' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Bass Clarinet H-Ligature' and a budget_max comfortably above $57.99 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."]}}