{"name":"Ecomhack · store agent","description":"Ask what Ecomhack sells, with prices and billing, and get a checkout link to buy. Payments happen on Whop.","url":"https://www.usedarwin.app/a2a/whop","version":"1.0.0","protocolVersion":"0.3.0","preferredTransport":"JSONRPC","supportedInterfaces":[{"url":"https://www.usedarwin.app/a2a/whop","protocolBinding":"JSONRPC","protocolVersion":"1.0"},{"url":"https://www.usedarwin.app/a2a/whop","protocolBinding":"JSONRPC","protocolVersion":"0.3"}],"capabilities":{"streaming":false,"pushNotifications":false},"defaultInputModes":["text/plain","application/json"],"defaultOutputModes":["text/plain","application/json"],"provider":{"organization":"Ecomhack","url":"https://www.usedarwin.app"},"skills":[{"id":"find_offers","name":"Find offers","description":"Search the store by need, budget and one-off vs membership. Returns up to 3 offers with price and billing.","tags":["catalog","search","pricing"],"examples":["Trail running coaching under £40 a month","Something one-off under £20"]},{"id":"checkout","name":"Checkout","description":"Returns a checkout link for an offer (by name, or 'the first one'). The payment is credited to your agent.","tags":["checkout","purchase"],"examples":["Buy the first one","Buy Race-Day Pack"]},{"id":"checkout_acp","name":"Checkout via ACP","description":"Agentic Commerce Protocol checkout sessions at https://www.usedarwin.app/acp/checkout_sessions: POST { items: [{ id, quantity }] } with offer ids, then /complete. Amounts in minor units.","tags":["checkout","acp","agentic-commerce-protocol"],"examples":["POST https://www.usedarwin.app/acp/checkout_sessions {\"items\":[{\"id\":\"plan_VWmgzoF0oIAcE\",\"quantity\":1}]}"]},{"id":"mcp_tools","name":"MCP tools","description":"The same store as MCP tools at https://www.usedarwin.app/api/store-agent/mcp (Streamable HTTP, JSON-RPC): search_offers, get_offer, create_checkout, store_info.","tags":["mcp","tools","checkout"],"examples":["search_offers { query: 'coaching under £40 a month' }","create_checkout { offer_id }"]}],"links":[{"type":"acp","url":"https://www.usedarwin.app/acp/checkout_sessions","description":"Agentic Commerce Protocol checkout sessions"},{"type":"mcp","url":"https://www.usedarwin.app/api/store-agent/mcp","description":"MCP server (Streamable HTTP, JSON responses)"}]}