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 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.
Monetization gateway for MCP servers, enabling pay-per-call AI agent access with x402 payment challenges and USDC settlement on Base. Developers can register existing MCP servers, set tool prices, and receive payments without handling payment code.