Atomic Mail

io.github.Atomic-Mail/mcp

Programmable email inbox for AI agents — JMAP, PoW auth, stdio MCP server.

View repository →Homepage →

Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@atomicmail/mcp-modelcontextprotocol@0.3.33"
      ],
      "env": {
        "ATOMIC_MAIL_API_KEY": "<your ATOMIC_MAIL_API_KEY>"
      }
    }
  }
}
Environment variables
  • ATOMIC_MAIL_API_KEYsecretExisting API key — skips PoW registration

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Developer Tools
Version
0.3.33
Registry
active
Published
11/3/2026

Remotes

  • streamable-httphttps://mcp.atomicmail.ai/mcp

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Add the badge to your site

Show visitors that Atomic Mail is listed here — it’s also the link we check for a free listing.

Atomic Mail — listed on Serverdex

HTML — for your website

<a href="https://serverdex.io/server/io-github-atomic-mail-mcp?utm_source=badge"><img src="https://serverdex.io/brand/badge.svg" alt="Atomic Mail — listed on Serverdex" width="123" height="40" loading="lazy"></a>

Recommended. A dofollow link from your own domain is the one that counts for search engines, and it's the link we check for a free listing.

Markdown — for your README

[![Atomic Mail — listed on Serverdex](https://serverdex.io/brand/badge.svg)](https://serverdex.io/server/io-github-atomic-mail-mcp?utm_source=badge)

Nice for visibility, but GitHub marks README links nofollow, so it doesn't pass authority. Use the HTML badge on your site as well.