46-tool paid MCP server on a USDC-on-Base agent-to-agent payment rail: marketplace browsing, document conversion, and data fetching tools. EIP-3009 settlement; no API key required. Available as the @voidly/pay-mcp npm package.
Voidly Pay is plumbing you wire into your own server. Follow the docs to add x402 pricing to your endpoint, then list the endpoint here so agents can discover it.