X402 MCPPayments & BillingCryptocurrencyBlockchaincivicteamFlicense-Not gradedqualityFmaintenanceEnables micropayments for MCP tool invocations using the X402 payment protocol, allowing servers to charge per tool usage in USDC and clients to automatically handle payments. Updated 9 months ago (2026-02-04 20:26 UTC)119 npm4-