3lgrouptechnology.com
LiveMCP Server3LT Letter Mail: Give AI assistants hands: send real USPS letters via MCP. (text from the Official MCP Registry)
LiveLast Connection Check
655 msTypical Response Time
7Tools Offered
2025-06-18Protocol Version
15 min agoLast Checked (2026-10-24T08:30:45Z)
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 | – | 655 ms | 7 | 15 min ago · receipt |
How we check: we connect without logging in and ask for the list of tools. We never send credentials and never pay. Tools that don't state a price are never called; for tools that do, we send at most 2 unpaid calls to read the payment request. We don't make test purchases from MCP servers yet. Signed records: 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).