X402 Doctor

Summary

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

Install in Cursor, Claude, and VS Code

Publisher config for X402 Doctor. Paste it into the client. This is not a PlugMCP endpoint.

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

{
  "mcpServers": {
    "com.twelvepermissions-x402-doctor": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://x402-doctor.tsharpe.workers.dev/mcp"
      ]
    }
  }
}

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

{
  "servers": {
    "com.twelvepermissions-x402-doctor": {
      "type": "http",
      "url": "https://x402-doctor.tsharpe.workers.dev/mcp",
      "headers": {}
    }
  }
}

Tools, access, and transport

Transport

http

API key

None listed

Pricing

Not listed

No tool list on this record yet.

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FAQ

How do I install X402 Doctor?

Copy the http config for Cursor, Claude Desktop, Claude Code, or VS Code on this page. It uses the publisher's install, not a PlugMCP proxy.

Does X402 Doctor need an API key?

No required environment variable is listed on this record.

What transport does X402 Doctor use?

X402 Doctor is reached over HTTP.

When was X402 Doctor last checked?

Last checked 2026-10-16. Diagnose x402 seller endpoints: what is wrong with your 402 challenge, and how to fix it.