XM

x402 MCP Starter

io.github.kadopi/x402-mcp-starter

Free self-hosted x402 USDC billing for Cloudflare MCP servers, with a Base Sepolia test endpoint.

Yes, your AI can use this right now.Answered a live MCP handshake in 197 ms with no sign-in needed and exposes 2 tools.

Connect it

Settings → Connectors → Add custom connector
URL: https://x402-mcp-starter.kadopi.workers.dev/mcp

2 tools, verified live

Pulled straight from the server with tools/list on 2026-10-17.
validate_x402_configread-only

Free: checks Base USDC, price, amount, recipient, and facilitator settings before you deploy an x402-paid MCP tool.

get_paid_sampleread-only

Fixed-price reference path: confirms that an x402-aware MCP client can pay and receive a receipt.

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