{"serverInfo": {"name": "esimtabby", "title": "eSIM Tabby", "version": "0.1.4", "websiteUrl": "https://esimtabby.com"}, "description": "Buy and manage travel eSIM data plans in the conversation. Pay by card (Stripe) or USDC over x402.", "endpoint": "https://esimtabby.com/mcp", "transport": "streamable-http", "capabilities": {"tools": {}}, "authentication": {"type": "oauth2", "resourceMetadata": "https://esimtabby.com/.well-known/oauth-protected-resource/mcp", "authorizationServer": "https://esimtabby.com/.well-known/oauth-authorization-server"}, "payments": {"x402": {"version": 2, "network": "eip155:8453", "asset": "USDC", "howTo": "Create an order with pay_with=\"x402\"; it returns an x402_url to POST to, or call the pay_order tool with the signed payload."}}}