3lgrouptechnology.com
LiveMCP Server3LT Letter Mail: Give AI assistants hands: send real USPS letters via MCP. (text from the Official MCP Registry)
5/5Recent Connection Checks That Worked (With Or Without A Login)
212 msTypical Response Time
7Tools Offered (1 change seen)
2025-06-18Protocol Version
19 h agoLast Checked (2026-10-27T20:21:40Z)
NoLogin Required
Servers On This Host
| Address | Name | Status | Recent Checks OK | Response Time | Tools | Last Checked |
|---|---|---|---|---|---|---|
| https://3lgrouptechnology.com/mcp | 3LT Letter Mail | Live | 5/5 | 212 ms | 7 | 19 h ago · receipt |
Login-free tools/list. No credentials, never paid. Priced tools only: ≤ 2 unpaid calls to read the payment request. No MCP test purchases. Signed receipts: raw data page · free quick check (JSON)
Paid Tools
| Tool | Stated Price | Payment Request Asks | Network | Pays To | Stated Vs Asked |
|---|---|---|---|---|---|
| create_fax_draft | – | – | No payment request returned |
From our unpaid check: the tool list, plus at most 2 unpaid calls to tools that state a price, only to read the payment request. We never pay and never call tools that don't state a price. Stated prices are the server's own text or metadata. Full details: free quick check (JSON).