How do I install Domain Mail Check?

Copy the http config for Cursor, Claude Desktop, Claude Code, or VS Code on this page. It uses the publisher's install, not a PlugMCP proxy.

Does Domain Mail Check need an API key?

No required environment variable is listed on this record.

What transport does Domain Mail Check use?

Domain Mail Check is reached over HTTP.

Domain Mail Check

by app.openkrill

Check how a domain is set up for email and who it is registered with, from public DNS data.

Power your agent

Add this server

The publisher's own URL. Not a PlugMCP endpoint.

Server URL

https://mailcheck.openkrill.app/mcp

Provider

Add in Claude

Claude opens with the name and URL filled in. You still confirm it there.

Claude Code

claude mcp add --transport http app.openkrill-mailcheck https://mailcheck.openkrill.app/mcp

Run in a terminal.

Claude Desktop

{
  "mcpServers": {
    "app.openkrill-mailcheck": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://mailcheck.openkrill.app/mcp"
      ]
    }
  }
}

claude_desktop_config.json

Step-by-step: add this in Claude

Remote URL or a command on your machine? How the two installs differ

Run on PlugMCP

Host a copy with our keys and logs.

A new server you create. It is not this listing's official endpoint. Use the publisher install when you want their URL and their credentials.

Launch

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Related skills

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Questions

How do I install Domain Mail Check?: Copy the http config for Cursor, Claude Desktop, Claude Code, or VS Code on this page. It uses the publisher's install, not a PlugMCP proxy.
Does Domain Mail Check need an API key?: No required environment variable is listed on this record.
What transport does Domain Mail Check use?: Domain Mail Check is reached over HTTP.
When was Domain Mail Check last checked?: Last checked 2026-10-16. Check how a domain is set up for email and who it is registered with, from public DNS data.

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