Official MCP RegistryHosted servermcp.postboxservices.comv0.1.1
com.postboxservices/postbox-tools
Free email checks: 24 blacklists, spoofing/BEC grade, redirect tracing, email spam test, WHOIS.
Connect to Claude Code
Copyclaude mcp add --transport http com-postboxservices-postbox-tools https://mcp.postboxservices.com/mcpVendor-hosted remote server: nothing to install locally. If it uses OAuth, Claude opens the vendor login on first use.
Endpoints
- https://mcp.postboxservices.com/mcpstreamable-http
Published in the official MCP registry as “com.postboxservices/postbox-tools”. Verified through the vendor namespace.