x402 Doctor

com.twelvepermissions/x402-doctor

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

Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Cursor · HTTP clients.

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

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Other
Version
1.0.0
Registry
active
Published
8/17/2026

Remotes

  • streamable-httphttps://x402-doctor.tsharpe.workers.dev/mcp
Browse all Other →

Add the badge to your site

Show visitors that x402 Doctor is listed here — it’s also the link we check for a free listing.

x402 Doctor — listed on Serverdex

HTML — for your website

<a href="https://serverdex.io/server/com-twelvepermissions-x402-doctor?utm_source=badge"><img src="https://serverdex.io/brand/badge.svg" alt="x402 Doctor — listed on Serverdex" width="123" height="40" loading="lazy"></a>

Recommended. A dofollow link from your own domain is the one that counts for search engines, and it's the link we check for a free listing.

Markdown — for your README

[![x402 Doctor — listed on Serverdex](https://serverdex.io/brand/badge.svg)](https://serverdex.io/server/com-twelvepermissions-x402-doctor?utm_source=badge)

Nice for visibility, but GitHub marks README links nofollow, so it doesn't pass authority. Use the HTML badge on your site as well.