How do I install x402 endpoint checker?

Pick a client above and copy the generated config. Cursor and VS Code also have a deep link when the server can run locally or remotely.

Is x402 endpoint checker official?

No. Registry-listed is not the same as vendor-official. Read the methodology for the difference.

This listing scores 52 (Fair). The formula is published on the methodology page.

x402 endpoint checker MCP Server | MCPpedia

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

RegistryRemote

52Fair

~/Library/Application Support/Claude/claude_desktop_config.json

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

This server does not declare environment variables.

72Good

Investment runtime for AI agents — LLM investment committee, portfolio ledger, decision accounting

Registrylongsizhuo114 stars

60Good

Repo-native task continuity for AI coding agents: a reviewed task-state ledger served over MCP.