outbox for Claude Desktop

io.github.fieldcure/outbox

Multi-channel messaging MCP server for Slack, Telegram, Email, KakaoTalk, and Discord.

client:Claude Desktop transport:stdio runtime:nuget

Install outbox in Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json · windows: %APPDATA%\Claude\claude_desktop_config.json

{
  "mcpServers": {
    "outbox": {
      "command": "dnx",
      "args": [
        "FieldCure.Mcp.Outbox",
        "--yes"
      ]
    }
  }
}

Settings → Developer → Edit Config opens this file. Restart the app after saving. Claude Desktop docs