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x402 Doctor

MCP server · by Fizzl13

Web APIs Streamable HTTP v1.0.1

Check x402 endpoints like a paying agent: diagnose, fix plans, pre-payment checks. Free quick check.

View source ↗ Website ↗ More servers

Install

Run one of the commands below, then add the client config underneath.

Streamable HTTPhttps://x402-doctor.fizzl.eu/mcp

Client configuration

Paste into Claude Desktop, Cursor (mcp.json), VS Code or any MCP client, then restart the client.

mcpServers{
  "mcpServers": {
    "x402-doctor-2": {
      "url": "https://x402-doctor.fizzl.eu/mcp"
    }
  }
}

About this server

x402 Doctor is listed in the Web APIs category of the MCPNav directory. It is distributed as Streamable HTTP and can be loaded by any client that speaks the Model Context Protocol.

Typical uses include giving your assistant scoped access to the corresponding service so it can answer questions and take actions with real data instead of guessing. Always review what a server can access before you enable it — see our MCP security guide.

Frequently asked questions

What is the x402 Doctor MCP server?

x402 Doctor is an MCP server by Fizzl13. Check x402 endpoints like a paying agent: diagnose, fix plans, pre-payment checks. Free quick check.

How do I install x402 Doctor?

Install it with: https://x402-doctor.fizzl.eu/mcp. Then add the JSON config to your client's MCP settings and restart the client.

Is x402 Doctor free to use?

The MCP server itself is free to install. The source is public on https://github.com/Fizzl13/x402-doctor. Any third-party API it calls (such as a search or maps API) may require its own key and billing.

Which clients support x402 Doctor?

Any MCP-compatible client can use it, including Claude Desktop, Cursor, VS Code, Windsurf and custom agents.