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mcp/harbor
Cline

Plainmail for Cline

dev.plainmail/mail

Email on your own domains: add a domain, write its DNS, create mailboxes, read and send mail.

client:Cline transport:streamable-http

Install Plainmail in Cline

~/Library/Application Support/Code/User/globalStorage/saoudrizwan.claude-dev/settings/cline_mcp_settings.json · windows: %APPDATA%\Code\User\globalStorage\saoudrizwan.claude-dev\settings\cline_mcp_settings.json 

{
  "mcpServers": {
    "mail": {
      "url": "https://app.plainmail.dev/api/mcp/mcp"
    }
  }
}

Cline's MCP Servers pane edits this file for you if you would rather not find it. Cline docs

Plainmail in other clients

Plainmail MCP server