MCP-сервер Obol (распределённая валидация Ethereum).
npx tsx scripts/test-payment.ts <tx-signature> Environment See .env.example. Key variables: PAYMENT_MODE — mock (dev, auto-approve) or onchain (production) PAYMENT_RECIPIENT_ADDRESS — your Solana wallet that receives USDC HELIUS_API_KEY — Helius RPC access UPSTASH_REDIS_REST_URL / TOKEN — cache laye