3LT Letter Mail
com.3lgrouptechnology/3lt-letter-mail
Give AI assistants hands: send real USPS letters via MCP.
Description as published in the official MCP registry.
Answers the MCP handshake and lists its tools. Checked 2026-10-05.
What we measured
| Endpoint | https://3lgrouptechnology.com/mcp | registry |
|---|---|---|
| Handshake | Answers the MCP handshake and lists its tools (867 ms) | our check, 2026-10-05 |
| Protocol version | 2026-07-28 | our check, 2026-10-05 |
| Tools (3) | draft_letter, request_send, send_status | tools/list, 2026-10-05 |
| GitHub stars | 0 | github.com/3LGroupTechnology/3lt-letter-mail |
| Last push | 2026-10-03 | GitHub API |
| Registry version | 1.0.0 · active · updated 2026-10-03 | registry |
Signed reports
No signed reports yet. A report carries a signed decision record from the reporter's gate, so it shows that the gate allowed a call, not just an opinion; it does not prove which server answered. How to file one.
Connect
claude mcp add --transport http 3lt-letter-mail https://3lgrouptechnology.com/mcpCommands are built from the registry entry. Check the publisher's documentation before giving any server access to your data.
Related servers
- emailmd Render markdown into email-safe HTML, lint drafts for deliverability problems, and preview…
- Agent-Native Mail Agent-Native Superhuman - email client with keyboard shortcuts and AI triage
- e2a — email for AI agents Authenticated email gateway for AI agents — per-agent inboxes, HITL approval, SPF/DKIM…
- e2a — email for AI agents Authenticated email gateway for AI agents — per-agent inboxes, HITL approval, SPF/DKIM…
- Email Inbox API + Sending by Sendmux AI email inbox and sending tools with attachments, search, live events, and webhooks.
- gmail Read emails, send messages, and manage labels in your Gmail account.
Badge for your README
Shows the result of our latest check and links back to this page.
[](https://openforallofus.com/tools/com.3lgrouptechnology/3lt-letter-mail)Agents can read this page as data: MCP endpoint https://openforallofus.com/api/mcp, tool get_tool with name com.3lgrouptechnology/3lt-letter-mail.