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smails

local MCP server

smails is a local MCP server: Free disposable email for AI agents: a throwaway inbox to read verification codes over MCP. Install it from npm as @smails/cli.

Installation

Terminal

claude mcp add smails -- npx -y @smails/cli

Run in your project folder. Add --scope user to use it everywhere.

Claude Desktop, Cursor & other clients

Add to claude_desktop_config.json or .cursor/mcp.json.

{
  "mcpServers": {
    "smails": {
      "command": "npx",
      "args": [
        "-y",
        "@smails/cli"
      ]
    }
  }
}

What you need

  • Runtime: Node.js 18+ (runs with npx).
  • MCP client: Claude Code, Codex, Antigravity, Claude Desktop, Cursor or any other client that speaks MCP over stdio.

Summary

Free disposable email for AI agents: a throwaway inbox to read verification codes over MCP.

smails vs similar servers

ServerStarsTypeAPI keyRuntime
smails36LocalNonpm
mcp229LocalYesnpm
Atomic Mail264HostedYesNone
QR Rápido7,291HostedYesNone
Nautilus Compass Memory622HostedYesNone

Questions

No. The registry entry lists no keys or environment variables.

Node.js 18+ (runs with npx), plus an MCP client such as Claude Code, Codex, Claude Desktop or Cursor.

smails is a local MCP server distributed as the npm package @smails/cli.

Run: claude mcp add smails -- npx -y @smails/cli

Run: codex mcp add smails -- npx -y @smails/cli

Similar MCP servers

NameStars
  1. mcpio.github.agenticmail/mcp229
  2. Atomic Mailio.github.Atomic-Mail/mcp264
  3. QR Rápidosite.qrrapido/qr-generator7,291
  4. Nautilus Compass Memoryio.github.chunxiaoxx/nautilus-compass622
  5. mcp-serverio.github.sv-number/mcp-server551
  6. Entrolyio.github.juyterman1000/entroly470
  7. HQBaseio.github.HQBase/hqbase332
  8. Jacobianio.github.morluto/jacobian194