Enables existing MCP clients to access paid MCP servers by signing x402 payments locally and proxying tool calls, with automatic line management, retries, and spend limits.
An MCP server that charges real testnet USDC per tool call using x402 pay-per-request protocol, transparently handled by a paying proxy for any standard MCP client.
Enables 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.
Per-call billing and metering proxy for MCP tool servers. Providers set pricing via the open MCP Billing Spec (MIT), consumers pay through Stripe Connect with signed receipts and SLA monitoring.