@mailsai/mcp-server

by mailsai · Productivity · MCP server

@mailsai/mcp-server is an MCP server by mailsai. The agent email tool: give any AI agent a real inbox (send + receive + thread) with a reputation & prompt-injection firewall in front of it — for Claude Desktop, Claude Code, Cursor, Cline, Continue, Windsurf, and any MCP runtime. Every mails.ai API opera. It is listed in Productivity.

Category: Productivity
Author: mailsai
GitHub stars: Not on GitHub
This week: Tracking since 18 Oct 2026
Language: JavaScript
License: MIT (open source)
Last update: 2026-10-16 (8 days ago)
Links: Source npm

mcp
model-context-protocol
email
ai
agent
mails.ai
claude
cursor
cline
continue
windsurf

How to install @mailsai/mcp-server

@mailsai/mcp-server is published on npm as @mailsai/mcp-server, and it is listed in the official MCP Registry. These steps assume it runs as a local stdio server, which is the usual setup.

Check the README. Confirm the start command and note any API keys or environment variables it needs (pass them with -e KEY=value or an env block). You need Node.js for npx.

Add it to Claude Code from a terminal:

claude mcp add mcp-server -- npx -y @mailsai/mcp-server

Or add it to Cursor or Claude Desktop in .cursor/mcp.json or claude_desktop_config.json:

{
  "mcpServers": {
    "mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@mailsai/mcp-server"
      ]
    }
  }
}

Restart the client and check it. Run claude mcp list, or open the client's MCP settings, and confirm @mailsai/mcp-server and its tools are listed. The install guide covers VS Code and Codex.

Also listed in

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Frequently asked questions

What is @mailsai/mcp-server?

@mailsai/mcp-server is an MCP server by mailsai in the Productivity category. The agent email tool: give any AI agent a real inbox (send + receive + thread) with a reputation & prompt-injection firewall in front of it — for Claude Desktop, Claude Code, Cursor, Cline... It is listed in Productivity.

Is @mailsai/mcp-server free and open source?

Yes. @mailsai/mcp-server is published under the MIT license, so you can run, modify and self-host it at no cost. If it connects to a paid service, that service's own pricing and API terms still apply. Check the repository for the exact license text before using it commercially.

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Data last updated 25 October 2026. Stars and downloads are refreshed every day from GitHub and npm.