cosmic-mcp

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postbox-tools

com.postboxservices/postbox-tools · version 0.2.0

Community listing. Not installed or verified by cosmic-mcp. Read the source and its permissions before you run it.

Free email checks: 24 blacklists, spoofing grade, redirects, spam test, WHOIS, BIMI, AI readiness.

https://postboxservices.com/mcp/

Quick facts

  • Listing: Verified domain
  • Published Nov 5, 19:10 UTC
  • Transport: streamable-http
  • Listed by cosmic-mcp: Nov 8, 18:57 UTC

Email Testing and QA

Setup snippets

Generated from the registry entry. cosmic-mcp has not run or reviewed this server; values in angle brackets are yours to fill in.

Remote MCP URL (Claude and ChatGPT custom connectors)

https://mcp.postboxservices.com/mcp

Claude Code

claude mcp add --transport http 'postbox-tools' 'https://mcp.postboxservices.com/mcp'

Cursor (.cursor/mcp.json)

{
  "mcpServers": {
    "postbox-tools": {
      "url": "https://mcp.postboxservices.com/mcp"
    }
  }
}

VS Code (.vscode/mcp.json)

{
  "servers": {
    "postbox-tools": {
      "type": "http",
      "url": "https://mcp.postboxservices.com/mcp"
    }
  }
}

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