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Claude Desktop

Assistant Mail MCP for Claude Desktop

io.github.assistantmail/assistantmail-mcp

Agent email with allowlist and consent via AssistantMail.

client:Claude Desktop transport:stdio runtime:npm

Install Assistant Mail MCP in Claude Desktop

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

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "assistantmail-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@assistantmail/assistantmail-mcp"
      ],
      "env": {
        "ASSISTANT_MAIL_API_KEY": "<ASSISTANT_MAIL_API_KEY>",
        "ASSISTANT_MAIL_API_BASE_URL": "<ASSISTANT_MAIL_API_BASE_URL>"
      }
    }
  }
}

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

Assistant Mail MCP in other clients

Assistant Mail MCP MCP server