com.3lgrouptechnology/3lt-letter-mail

up checked 2026-11-11T06:37:26.153Z

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Publisher-provided title

3LT Mail & Fax

Publisher-provided description

Letters + faxes for AI assistants in one MCP service. Letters from $1.97 all-in; faxes from $0.57.

Summary by lookupd

Drafts, approves, and sends letters and faxes with recipient checks, price quotes, and human approval before anything is mailed.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http 3lt-letter-mail https://3lgrouptechnology.com/mcp

Codex, remote (streamable-http)

codex mcp add 3lt-letter-mail --url https://3lgrouptechnology.com/mcp

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

{
  "mcpServers": {
    "3lt-letter-mail": {
      "url": "https://3lgrouptechnology.com/mcp"
    }
  }
}

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

Tools (7 tools)

Publisher-provided text

• draft_letter Create a letter DRAFT: verifies the recipient address with PostGrid, screens content, and returns a price quote. This NEVER mails anything. Pass EITHER html (l
• request_send Request that a draft be mailed. approval-tier keys: creates a PENDING request and returns a one-tap Allow/Deny approval_url for the human. Nothing is mailed un
• send_status Check a send request: status (PENDING/SENT/REJECTED/FAILED), the key's trust tier and tier decision, approval state (+approval_url while pending), and billing s
• create_fax_draft Create a fax DRAFT: validates the recipient number, counts the PDF's pages, screens its text, and returns a price quote (Phaxio per-page cost x pages + the flat
• approve_fax Approve a fax DRAFT so it can be transmitted. The content is re-screened at approval time. Only the key that created the fax can approve it. Nothing is transmit
• send_fax Transmit an APPROVED fax via Phaxio. Refuses drafts that were never approved and faxes that were already sent — a fax can be transmitted exactly once.
• get_fax_status Check a fax: lifecycle status (DRAFT/APPROVED/SENT/FAILED), page count, quote, and — once sent — the live delivery status from Phaxio.

Details

• Version: 1.0.2
• Transports: streamable-http
• Uptime (7 days): 100%
• Median latency: 696 ms
• First indexed: 2026-11-01T08:52:34.943Z
• Last seen in registry: 2026-11-09T05:17:20.671Z
• Repository: https://github.com/3LGroupTechnology/3lt-letter-mail
• Website: https://3lgrouptechnology.com

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[![lookupd status](https://lookupd.com/badge/com.3lgrouptechnology/3lt-letter-mail.svg)](https://lookupd.com/servers/com.3lgrouptechnology/3lt-letter-mail)

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• Last crawl: 2026-11-11T16:17:25.167Z
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