com.twelvepermissions/x402-doctor

up checked 2026-11-12T06:37:52.539Z

Unclaimed · Unverified

Publisher-provided title

x402 Doctor

Publisher-provided description

Diagnose x402 seller endpoints: what is wrong with your 402 challenge, and how to fix it.

Summary by lookupd

Probes x402 seller endpoints' 402 payment challenges, reporting defects and fixes, and explains individual validation rules.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http x402-doctor https://x402-doctor.tsharpe.workers.dev/mcp

Codex, remote (streamable-http)

codex mcp add x402-doctor --url https://x402-doctor.tsharpe.workers.dev/mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

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

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Publisher-provided text

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

Shows this live status and links here; updates hourly.

[![lookupd status](https://lookupd.com/badge/com.twelvepermissions/x402-doctor.svg)](https://lookupd.com/servers/com.twelvepermissions/x402-doctor)