Email DNS Preflight x402 MCP Server: Install & Setup

Install Email DNS Preflight x402 in Claude Code

Claude Code

claude mcp add --transport http email-dns-preflight-x402 https://email-dns-preflight-x402.copper-crate.workers.dev/mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "email-dns-preflight-x402": {
      "url": "https://email-dns-preflight-x402.copper-crate.workers.dev/mcp"
    }
  }
}

Paid email, DNS, mail-security and RDAP intelligence for agents over x402.

Probably not entirely. The listing mentions pay-per-call, credits or a subscription. Check the provider for current pricing.

Remote. Hosted by the provider. You connect with a URL, nothing to install.

Run: claude mcp add --transport http email-dns-preflight-x402 https://email-dns-preflight-x402.copper-crate.workers.dev/mcp

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