    servers/
        finance/
        x402-endpoint-checker
  

XE

x402 endpoint checker

Unverified Claim & verify → Finance

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

Visit website ↗ Try Remote Server

Overview Installation

Overview

x402 endpoint checker is a Model Context Protocol server that lets you test any x402 paid URL without actually paying. It inspects 402 PAYMENT-REQUIRED responses and extracts payment details including USDC amounts, payTo addresses, EIP-712 signatures, and CORS headers. Any MCP-compatible AI assistant can call its tools directly during conversations or agent runs.

The server runs as a remote endpoint at https://x402-seller-kit.soloearn.workers.dev/mcp with no authentication required and nothing to install locally. Current release is v1.0.0. Learn more at https://x402-seller-kit.soloearn.workers.dev/tools/x402-checker.

x402 endpoint checker is listed in the Finance category on mcp.site and works with Claude Desktop, Claude Code, Cursor, VS Code, Windsurf, Zed, and other MCP clients. If you maintain this server, claim your listing to verify ownership, earn the Verified badge, and keep information up to date.

▸Hosted endpoint — Streamable HTTP · https://x402-seller-kit.soloearn.workers.dev/mcp

Installation

Settings → Connectors → Add custom connector
Name: x402 endpoint checker
URL:  https://x402-seller-kit.soloearn.workers.dev/mcp

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