com.3lgrouptechnology/3lt-letter-mail
3LT Letter Mail
com.3lgrouptechnology/3lt-letter-mail costs 712 tokens of context per session. It has 3 tool definitions. That is 0.4 % of a 200k window. Measured 2026-10-03.
Give AI assistants hands: send real USPS letters via MCP.
alive probed 2026-10-03 · HTTP 200
3tools
712tokens for the tool definitions
0.4 %of a 200k context window
2.3 sto initialize
151 msto list tools
- Endpoint
- https://3lgrouptechnology.com/mcp (streamable-http)
- Host
- 3lgrouptechnology.com
- Protocol
- 2025-11-25
- Reports itself as
- 3l-group-technology-letter-mail 4.0.10
- Capabilities
- logging, prompts, resources, tools
- Instructions
- none
- Repository
- https://github.com/3LGroupTechnology/3lt-letter-mail
- Registry
- active, updated 2026-10-03 · registry entry
- Reachable
- 2 of the last 2 probes
Most expensive tools
| Tool | Tokens | Share of this server |
|---|---|---|
| draft_letter | 444 | 62 % |
| request_send | 145 | 20 % |
| send_status | 123 | 17 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Tokens |
|---|---|---|---|---|
| 2026-10-03 20:28 | alive | 2.3 s | 3 | 712 |
| 2026-10-03 17:46 | alive | 885 ms | 3 | 712 |
Badge
[](https://mcp-pulse.ulehla.dev/s/com.3lgrouptechnology/3lt-letter-mail)