Mailbuttons

com.mailbuttons/mcp-server

Governed email for AI agents: a sandbox inbox to read and send from, human approval to go external.

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-server": {
      "command": "npx",
      "args": [
        "-y",
        "@mailbuttons/mcp-server@0.1.4"
      ],
      "env": {
        "MAILBUTTONS_API_KEY": "<your MAILBUTTONS_API_KEY>",
        "MAILBUTTONS_API_URL": "https://mailbuttons.com"
      }
    }
  }
}
Environment variables
  • MAILBUTTONS_API_KEYrequiredsecretA scoped Mailbuttons MCP token (mb_sandbox_...). Sandbox-by-default; external send requires human promotion.
  • MAILBUTTONS_API_URLBackend base URL. Defaults to https://mailbuttons.com; set for self-hosted or local.

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

Category
AI & ML
Version
0.1.4
Registry
active
Published
10/28/2026

Remotes

  • streamable-httphttps://mailbuttons.com/api/v1/mcp/rpc

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Add the badge to your site

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

Mailbuttons — listed on Serverdex

HTML — for your website

<a href="https://serverdex.io/server/com-mailbuttons-mcp-server?utm_source=badge"><img src="https://serverdex.io/brand/badge.svg" alt="Mailbuttons — 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

[![Mailbuttons — listed on Serverdex](https://serverdex.io/brand/badge.svg)](https://serverdex.io/server/com-mailbuttons-mcp-server?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.