What is the key difference between MCP Emails and Ox MCP?

MCP Emails belongs to the Communication category with local stdio execution, while Ox MCP belongs to the Communication category with local stdio execution.

How do I install MCP Emails or Ox MCP in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are MCP Emails and Ox MCP free or paid?

MCP Emails operates under a Free / Open Source model (No auth required). Ox MCP operates under a Free / Open Source model (API Key required).

Which MCP server has more tools and community activity?

MCP Emails lists 11 tools with 0 views and 5 GitHub stars. Ox MCP lists 27 tools with 3 views and 0 GitHub stars.

Can I use both MCP Emails and Ox MCP together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

Side-by-Side Model Context Protocol Comparison

MCP Emails vs Ox MCP

In-depth architectural comparison of the MCP Emails and Ox MCP MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

At a Glance & Executive Verdict

MCP Emails

Communication · Local stdio

Quality: 59/100 (Good) | Auth: No auth required

Ox MCP

Communication · Local stdio

Quality: 57/100 (Good) | Auth: API Key required

Verdict Summary: Choose MCP Emails if you need specialized Communication tools running via a local process. Choose Ox MCP if your workspace requires Communication integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose MCP Emails when:

You need dedicated capabilities in the Communication domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: inbox_list, email_read, email_organize.

Explore MCP Emails Details

Choose Ox MCP when:

You need dedicated capabilities in the Communication domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: API Key required (Free / Open Source).
You have access to required keys: OX_MCP_MAIL_SERVER, OX_MCP_MAIL_USER, OX_MCP_MAIL_APP_PASSWORD, OX_MCP_CALDAV_SERVER, OX_MCP_CALDAV_USER, OX_MCP_CALDAV_APP_PASSWORD.
Primary tools included: list_servers, server, email_search.

Explore Ox MCP Details

Feature & Specification Comparison

Specification	MCP Emails Communication	Ox MCP Rheopyrin Communication
Summary	Read, search, send, organize, draft and schedule email across your inboxes from any MCP client.	Email (IMAP/SMTP), mail filters (Sieve), calendar (CalDAV), contacts (CardDAV), and free/busy scheduling for Open-Xchange and standards-based mail platforms. Published on the official MCP Registry.
Category & Scope	Communication

Tools & Capabilities Breakdown

MCP Emails Tools (11)

inbox_list

read:email

email_read

read:email` (`search` also accepts `search:email`)

email_organize

manage:folders` (move/copy/search_and_move), `send:email` (flag/archive)

email_delete

delete:email

email_compose

send:email

folder

read:email` (list), `manage:folders` (create/rename/delete)

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

MCP Emails Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "mcp-emails-2": {
      "command": "npx",
      "args": [
        "-y",
        "supabase"
      ]
    }
  }
}

Ox MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "rheopyrin-ox-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@rheopyrin/ox-mcp"
      ],
      "env": {
        "OX_MCP_MAIL_SERVER": "YOUR_OX_MCP_MAIL_SERVER_HERE",
        "OX_MCP_MAIL_USER": "YOUR_OX_MCP_MAIL_USER_HERE",
        "OX_MCP_MAIL_APP_PASSWORD": "YOUR_OX_MCP_MAIL_APP_PASSWORD_HERE",
        "OX_MCP_CALDAV_SERVER": "YOUR_OX_MCP_CALDAV_SERVER_HERE",
        "OX_MCP_CALDAV_USER": "YOUR_OX_MCP_CALDAV_USER_HERE",
        "OX_MCP_CALDAV_APP_PASSWORD": "YOUR_OX_MCP_CALDAV_APP_PASSWORD_HERE"
      }
    }
  }
}

Frequently Asked Questions

MCP Emails is categorized under Communication and uses a local stdio subprocess. In contrast, Ox MCP belongs to Communication using local stdio subprocess. Select MCP Emails when you need capabilities focused on communication and Ox MCP when you require tools for communication.

More alternatives to MCP Emails More alternatives to Ox MCP Communication category hub