Who maintains ox-mcp?

ox-mcp is maintained by Rheopyrin, which publishes 2 MCP servers (2 total versions) tracked on MCP Toplist.

Is ox-mcp listed on the Official MCP Registry?

Yes — ox-mcp is listed on the Official MCP Registry, alongside Glama.

How many versions does ox-mcp have?

MCP Toplist tracks 1 version of ox-mcp, most recently published on Jul 19, 2026.

Where can I find the source code for ox-mcp?

The source code for ox-mcp is hosted at github.com/Rheopyrin/ox-mcp.

SERVER

ox-mcp

Rank #32,425

io.github.Rheopyrin/ox-mcp

MCP server for Open-Xchange: email (IMAP/SMTP), Sieve filters, CalDAV calendar, CardDAV contacts

1 version

by Rheopyrin (2 servers)View repository ↗

Listed & last published

Jul 19, 2026

OVERVIEW

ox-mcp is a Model Context Protocol (MCP) server published by Rheopyrin. It ranks #32,425 of 115,591 servers tracked on MCP Toplist. ox-mcp is listed across 2 registries — Official MCP and Glama, with 1 tracked version. It was first listed on Jul 19, 2026 and most recently updated on Jul 19, 2026.

STANDING

#32,425of 115,591 tracked serversTop 50%

Ranks ahead of 83,166 of 115,591 servers on MCP Toplist.

CONNECT

Use ox-mcp

No setupRuns out of the box

No credentials or required configuration declared — add it to your MCP client and go.

npm package

claude mcp add ox-mcp -e "OX_MCP_MAIL_SERVER=<your OX_MCP_MAIL_SERVER>" -e "OX_MCP_MAIL_USER=<your OX_MCP_MAIL_USER>" -e "OX_MCP_MAIL_APP_PASSWORD=<your OX_MCP_MAIL_APP_PASSWORD>" -e "OX_MCP_CALDAV_SERVER=<your OX_MCP_CALDAV_SERVER>" -e "OX_MCP_CALDAV_USER=<your OX_MCP_CALDAV_USER>" -e "OX_MCP_CALDAV_APP_PASSWORD=<your OX_MCP_CALDAV_APP_PASSWORD>" -e "OX_MCP_CARDDAV_SERVER=<your OX_MCP_CARDDAV_SERVER>" -e "OX_MCP_CARDDAV_USER=<your OX_MCP_CARDDAV_USER>" -e "OX_MCP_CARDDAV_APP_PASSWORD=<your OX_MCP_CARDDAV_APP_PASSWORD>" -- npx -y @rheopyrin/ox-mcp

Replace each placeholder with your own value before saving.

npm package

[mcp_servers.ox-mcp]
command = "npx"
args = ["-y", "@rheopyrin/ox-mcp"]

[mcp_servers.ox-mcp.env]
OX_MCP_MAIL_SERVER = "<your OX_MCP_MAIL_SERVER>"
OX_MCP_MAIL_USER = "<your OX_MCP_MAIL_USER>"
OX_MCP_MAIL_APP_PASSWORD = "<your OX_MCP_MAIL_APP_PASSWORD>"
OX_MCP_CALDAV_SERVER = "<your OX_MCP_CALDAV_SERVER>"
OX_MCP_CALDAV_USER = "<your OX_MCP_CALDAV_USER>"
OX_MCP_CALDAV_APP_PASSWORD = "<your OX_MCP_CALDAV_APP_PASSWORD>"
OX_MCP_CARDDAV_SERVER = "<your OX_MCP_CARDDAV_SERVER>"
OX_MCP_CARDDAV_USER = "<your OX_MCP_CARDDAV_USER>"
OX_MCP_CARDDAV_APP_PASSWORD = "<your OX_MCP_CARDDAV_APP_PASSWORD>"

Add to ~/.codex/config.toml. Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "ox-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@rheopyrin/ox-mcp"
      ],
      "env": {
        "OX_MCP_MAIL_SERVER": "<your OX_MCP_MAIL_SERVER>",
        "OX_MCP_MAIL_USER": "<your OX_MCP_MAIL_USER>",
        "OX_MCP_MAIL_APP_PASSWORD": "<your OX_MCP_MAIL_APP_PASSWORD>",
        "OX_MCP_CALDAV_SERVER": "<your OX_MCP_CALDAV_SERVER>",
        "OX_MCP_CALDAV_USER": "<your OX_MCP_CALDAV_USER>",
        "OX_MCP_CALDAV_APP_PASSWORD": "<your OX_MCP_CALDAV_APP_PASSWORD>",
        "OX_MCP_CARDDAV_SERVER": "<your OX_MCP_CARDDAV_SERVER>",
        "OX_MCP_CARDDAV_USER": "<your OX_MCP_CARDDAV_USER>",
        "OX_MCP_CARDDAV_APP_PASSWORD": "<your OX_MCP_CARDDAV_APP_PASSWORD>"
      }
    }
  }
}

Add to claude_desktop_config.json (Settings → Developer → Edit Config). Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "ox-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@rheopyrin/ox-mcp"
      ],
      "env": {
        "OX_MCP_MAIL_SERVER": "<your OX_MCP_MAIL_SERVER>",
        "OX_MCP_MAIL_USER": "<your OX_MCP_MAIL_USER>",
        "OX_MCP_MAIL_APP_PASSWORD": "<your OX_MCP_MAIL_APP_PASSWORD>",
        "OX_MCP_CALDAV_SERVER": "<your OX_MCP_CALDAV_SERVER>",
        "OX_MCP_CALDAV_USER": "<your OX_MCP_CALDAV_USER>",
        "OX_MCP_CALDAV_APP_PASSWORD": "<your OX_MCP_CALDAV_APP_PASSWORD>",
        "OX_MCP_CARDDAV_SERVER": "<your OX_MCP_CARDDAV_SERVER>",
        "OX_MCP_CARDDAV_USER": "<your OX_MCP_CARDDAV_USER>",
        "OX_MCP_CARDDAV_APP_PASSWORD": "<your OX_MCP_CARDDAV_APP_PASSWORD>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project). Replace each placeholder with your own value before saving.

npm package

{
  "servers": {
    "ox-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@rheopyrin/ox-mcp"
      ],
      "env": {
        "OX_MCP_MAIL_SERVER": "<your OX_MCP_MAIL_SERVER>",
        "OX_MCP_MAIL_USER": "<your OX_MCP_MAIL_USER>",
        "OX_MCP_MAIL_APP_PASSWORD": "<your OX_MCP_MAIL_APP_PASSWORD>",
        "OX_MCP_CALDAV_SERVER": "<your OX_MCP_CALDAV_SERVER>",
        "OX_MCP_CALDAV_USER": "<your OX_MCP_CALDAV_USER>",
        "OX_MCP_CALDAV_APP_PASSWORD": "<your OX_MCP_CALDAV_APP_PASSWORD>",
        "OX_MCP_CARDDAV_SERVER": "<your OX_MCP_CARDDAV_SERVER>",
        "OX_MCP_CARDDAV_USER": "<your OX_MCP_CARDDAV_USER>",
        "OX_MCP_CARDDAV_APP_PASSWORD": "<your OX_MCP_CARDDAV_APP_PASSWORD>"
      }
    }
  }
}

Save as .vscode/mcp.json in your workspace. Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "ox-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@rheopyrin/ox-mcp"
      ],
      "env": {
        "OX_MCP_MAIL_SERVER": "<your OX_MCP_MAIL_SERVER>",
        "OX_MCP_MAIL_USER": "<your OX_MCP_MAIL_USER>",
        "OX_MCP_MAIL_APP_PASSWORD": "<your OX_MCP_MAIL_APP_PASSWORD>",
        "OX_MCP_CALDAV_SERVER": "<your OX_MCP_CALDAV_SERVER>",
        "OX_MCP_CALDAV_USER": "<your OX_MCP_CALDAV_USER>",
        "OX_MCP_CALDAV_APP_PASSWORD": "<your OX_MCP_CALDAV_APP_PASSWORD>",
        "OX_MCP_CARDDAV_SERVER": "<your OX_MCP_CARDDAV_SERVER>",
        "OX_MCP_CARDDAV_USER": "<your OX_MCP_CARDDAV_USER>",
        "OX_MCP_CARDDAV_APP_PASSWORD": "<your OX_MCP_CARDDAV_APP_PASSWORD>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json. Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "ox-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@rheopyrin/ox-mcp"
      ],
      "env": {
        "OX_MCP_MAIL_SERVER": "<your OX_MCP_MAIL_SERVER>",
        "OX_MCP_MAIL_USER": "<your OX_MCP_MAIL_USER>",
        "OX_MCP_MAIL_APP_PASSWORD": "<your OX_MCP_MAIL_APP_PASSWORD>",
        "OX_MCP_CALDAV_SERVER": "<your OX_MCP_CALDAV_SERVER>",
        "OX_MCP_CALDAV_USER": "<your OX_MCP_CALDAV_USER>",
        "OX_MCP_CALDAV_APP_PASSWORD": "<your OX_MCP_CALDAV_APP_PASSWORD>",
        "OX_MCP_CARDDAV_SERVER": "<your OX_MCP_CARDDAV_SERVER>",
        "OX_MCP_CARDDAV_USER": "<your OX_MCP_CARDDAV_USER>",
        "OX_MCP_CARDDAV_APP_PASSWORD": "<your OX_MCP_CARDDAV_APP_PASSWORD>"
      }
    }
  }
}

Replace each placeholder with your own value before saving.

BADGE

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Markdown

[![MCP Toplist](https://mcptoplist.com/badge/io.github.Rheopyrin%2Fox-mcp.svg)](https://mcptoplist.com/server/io.github.Rheopyrin%2Fox-mcp)

HTML

<a href="https://mcptoplist.com/server/io.github.Rheopyrin%2Fox-mcp"><img src="https://mcptoplist.com/badge/io.github.Rheopyrin%2Fox-mcp.svg" alt="MCP Toplist: Top 50% of 115,591" /></a>

Variants: append ?metric=score or ?metric=stars to the image URL.

REGISTRIES

Listed on 2 registries

Official MCP

Glama

ORGANIZATION

Rheopyrin

Organization

Rheopyrin

Servers in org

Versions across org

Other servers by Rheopyrin

db-access-mcp#32,424 · 1 ver

View all Rheopyrin servers →

VERSIONS

Available versions (1)

Version	Published
0.1.2	Jul 19, 2026

FAQ

Frequently asked questions

Who maintains ox-mcp?: ox-mcp is maintained by Rheopyrin, which publishes 2 MCP servers (2 total versions) tracked on MCP Toplist.
Is ox-mcp listed on the Official MCP Registry?: Yes — ox-mcp is listed on the Official MCP Registry, alongside Glama.
How many versions does ox-mcp have?: MCP Toplist tracks 1 version of ox-mcp, most recently published on Jul 19, 2026.
Where can I find the source code for ox-mcp?: The source code for ox-mcp is hosted at github.com/Rheopyrin/ox-mcp.

EXPLORE

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