Mails.ai — Agent Email

Overview

Mails.ai — Agent Email is an MCP server that gives AI agents a real inbox for sending, receiving, and threading email messages. It operates behind a prompt-injection firewall to protect against injection attacks, letting agents handle email workflows reliably.

The server runs locally via the npm package @mailsai/mcp-server at version v0.2.12. Installation is simple using npx -y @mailsai/mcp-server. You'll need to provide your MAILS_API_KEY environment variable to authenticate with the service. Visit https://mails.ai for more details.

Mails.ai — Agent Email belongs in the AI & Agents category and works with MCP clients including Claude Desktop, Claude Code, Cursor, VS Code, Windsurf, Zed, and others. If you maintain this server, claim this listing to verify ownership, earn the Verified badge, and keep information up to date.

Installation

// claude_desktop_config.json
{
  "mcpServers": {
    "mailsai_agent_email": {
      "command": "npx",
      "args": [
        "-y",
        "@mailsai/mcp-server"
      ],
      "env": {
        "MAILS_API_KEY": "<mails-api-key>"
      }
    }
  }
}

Requires MAILS_API_KEY