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The agentic layer of letters. Agents send real printed mail worldwide, German compliance built in.
npx @getmcp/cli add app.frankki/lettersRequires Node.js 18+. Community-contributed server. Review source before installing.
Config file: ~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"app.frankki/letters": {
"url": "https://mcp.frankki.app",
"transport": "streamable-http"
}
}
}