{"name":"Martin Estate Winery","description":"Single-vineyard estate-grown Napa Valley wine from Rutherford. Agent purchases via Tempo MPP, x402 USDC on Base, Solana MPP `solana/charge`, and Stripe SPT.","url":"https://agents.martinestate.com","preferredTransport":"HTTP+JSON","protocolVersion":"1.0","version":"1.0.0","capabilities":{"extensions":[{"uri":"https://ucp.dev/2026-04-08/specification/reference","description":"UCP support: this agent serves Universal Commerce Protocol bindings via the A2A transport.","required":false,"params":{"capabilities":{}}}]},"defaultInputModes":["application/json"],"defaultOutputModes":["application/json"],"skills":[{"id":"wine-purchase","name":"Wine purchase","description":"Buy single-vineyard Napa Valley wine via agent payments. Multi-rail (Tempo MPP, x402 USDC on Base, Solana MPP, Stripe SPT). KYC + 21+ + US-only.","tags":["commerce","wine","regulated","age-gated","us-jurisdiction"]}],"documentationUrl":"https://agents.martinestate.com/llms.txt"}