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mcp/harbor
Verified official

SendLetter MCP

v1.0.0

eu.sendletter/sendletter

Send real, printed letters by post across Europe. Requires a free account; quote before sending.

transport:streamable-http
View source Website

Target client

run in your project directory 

claude mcp add --transport http sendletter https://sendletter.eu/api/mcp

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

This listing does not declare its tools. Connect the server and your client will discover them on the handshake.