"author:catena-oss" matching MCP servers:

• x402-mcp-demo

  catena-oss

  A

  license

  -

  quality

  B

  maintenance

  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.

  Updated 7 hours ago (2026-08-18 14:56 UTC)

  1

  MIT