x402 endpoint checker MCP server

Test any x402 paid URL without paying: 402, PAYMENT-REQUIRED, USDC, amounts, payTo, EIP-712, CORS.

Category: Finance

● Online, checked 341 min ago · 126 ms

Source: official MCP Registry entry dev.workers.soloearn.x402-seller-kit/x402-checker

Direct MCP URL and setup

CLAUDE CODE

claude mcp add --transport http dev-workers-soloearn-x402-seller-kit-x40 https://x402-seller-kit.soloearn.workers.dev/mcp

CURSOR / VS CODE (mcp.json)

{ "mcpServers": { "dev-workers-soloearn-x402-seller-kit-x40": { "url": "https://x402-seller-kit.soloearn.workers.dev/mcp" } } }