3LT Letter Mail MCP Server
by 3lgrouptechnologycom.3lgrouptechnology/3lt-letter-mailv1.0.0
Give AI assistants hands: send real USPS letters via MCP.
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Active7d ago
Install 3LT Letter Mail MCP server
Install in Claude Code
claude mcp add --transport http 3lt-letter-mail https://3lgrouptechnology.com/mcpInstall in Cursor
{
"mcpServers": {
"3lt-letter-mail": {
"url": "https://3lgrouptechnology.com/mcp"
}
}
}Install in Claude Desktop
{
"mcpServers": {
"3lt-letter-mail": {
"command": "npx",
"args": [
"-y",
"mcp-remote",
"https://3lgrouptechnology.com/mcp"
]
}
}
}Or add it as a custom connector under Settings → Connectors. The config above bridges via mcp-remote.
Install in VS Code
{
"servers": {
"3lt-letter-mail": {
"type": "http",
"url": "https://3lgrouptechnology.com/mcp"
}
}
}Install in Windsurf
{
"mcpServers": {
"3lt-letter-mail": {
"serverUrl": "https://3lgrouptechnology.com/mcp"
}
}
}Remote endpoints
- streamable-http
https://3lgrouptechnology.com/mcp
Freshness
Active — last maintenance signal 7d ago. The newest of the signals below sets the band.
Last commit (default branch)
2026-10-03 · 7d ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-10-03 · 7d ago · official registry · v1.0.0
FAQ
›How do I install the 3LT Letter Mail MCP server in Claude Code?
Run: claude mcp add --transport http 3lt-letter-mail https://3lgrouptechnology.com/mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does 3LT Letter Mail require an API key?
No required environment variables are declared in its published metadata.
›Can I use 3LT Letter Mail as a remote (hosted) MCP server?
Yes. It is a hosted MCP server; connect to its URL with any client that supports remote MCP.
›Is 3LT Letter Mail in the official MCP registry?
Yes, as com.3lgrouptechnology/3lt-letter-mail.