io.github.tasuyoapp-ctrl/email-preflight

up checked 2026-11-11T09:39:45.982Z

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Publisher-provided title

Email Preflight

Publisher-provided description

x402 v2 payment requests; relays compatible clients' signed payments to the existing product API.

Summary by lookupd

Checks email address syntax and domain MX records, and inspects public URL response metadata, via paid per-call API tools.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http email-preflight https://email-preflight-mcp.onrender.com/mcp

Codex, remote (streamable-http)

codex mcp add email-preflight --url https://email-preflight-mcp.onrender.com/mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "email-preflight": {
      "url": "https://email-preflight-mcp.onrender.com/mcp"
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (3 tools)

Publisher-provided text

• email_preflight Use before sending or processing an email when you need current preflight facts about the address. For $0.001 USDC on Base mainnet, the existing Email Preflight
• email_check_mini Check email syntax, MX and local domain classes with the existing API. $0.001 USDC on Base mainnet. MX does not prove mailbox existence. Unpaid calls return x40
• url_preflight Inspect public HTTP/HTTPS URL response metadata through the existing safe URL API. $0.001 USDC on Base mainnet. Unpaid calls return x402 v2 requirements. A comp

Details

• Version: 0.3.0
• Transports: streamable-http
• Uptime (7 days): 100%
• Median latency: 1013 ms
• First indexed: 2026-11-01T09:56:46.918Z
• Last seen in registry: 2026-11-01T09:56:47.039Z

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