How do I install X402 Format Checker?

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 Format Checker need an API key?

No required environment variable is listed on this record.

What transport does X402 Format Checker use?

X402 Format Checker is reached over HTTP.

X402 Format Checker

by com.crewofthecaptain

IBAN, EU VAT, NIP, REGON, PESEL, email checks. Only $0.001 (0.1 cent) per check via x402 on Base

接入你的智能体

添加此服务器

The publisher's own URL. Not a PlugMCP endpoint.

Server URL

https://validate.crewofthecaptain.com/mcp

Provider

Add in Claude

Claude opens with the name and URL filled in. You still confirm it there.

Claude Code

claude mcp add --transport http com.crewofthecaptain-format-checker https://validate.crewofthecaptain.com/mcp

Run in a terminal.

Claude Desktop

{
  "mcpServers": {
    "com.crewofthecaptain-format-checker": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://validate.crewofthecaptain.com/mcp"
      ]
    }
  }
}

claude_desktop_config.json

Step-by-step: add this in Claude

Remote URL or a command on your machine? How the two installs differ

在 PlugMCP 上运行

用我们的密钥与日志托管一份副本。

这是你新建的服务器，不是此条目的官方端点。若要用发布方的 URL 与凭证，请使用上方安装面板。

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How do I install X402 Format Checker?: 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 Format Checker need an API key?: No required environment variable is listed on this record.
What transport does X402 Format Checker use?: X402 Format Checker is reached over HTTP.
When was X402 Format Checker last checked?: Last checked 2026-10-16. IBAN, EU VAT, NIP, REGON, PESEL, email checks. Only $0.001 (0.1 cent) per check via x402 on Base

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