x402 Doctor

Last 30 days

Uptime

100%

Response time

142 ms typical, 142 ms slowest 5%

Last check

7 h ago

Next check

any minute now

How to call it

Add it to any MCP client that supports remote servers.

{
  "mcpServers": {
    "x402-doctor": {
      "type": "http",
      "url": "https://x402-doctor.tsharpe.workers.dev/mcp"
    }
  }
}

3 tools

• probe_x402_endpoint

  Probe an x402 seller endpoint and report what it observes about it. Performs the handshake a paying client would: GET with no X-PAYMENT header, then checks the 402 challenge against 16 rules. Every finding says whether the rule comes from the x402 spec or from an observed facilit

• explain_defect

  Full explanation of one rule by id — what it checks, why it matters, how to fix it, and where the rule came from. Use when you want the reasoning without re-probing.

• list_checks

  The whole rule table. Knowing what was NOT checked is part of knowing what a clean result means.

Security scan

• No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

Recent checks