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mcp/harbor
Verified official

Stamp MCP

v1.0.0

com.clawhard/stamp

Check a domain's SPF, DKIM, DMARC and MX from live DNS, the Gmail/Yahoo rules, and fix records.

transport:streamable-http tools:2
Website

Target client

run in your project directory 

claude mcp add --transport http stamp https://stamp.clawhard.com/mcp

setup guides: Claude Code Claude Desktop Cursor VS Code Zed Windsurf Cline Gemini CLI Grok ChatGPT Claude.ai LangChain

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

stamp_check_email_domain

stamp check email domain

stamp_check_dns_record

stamp check dns record

All 2 tools, one page each

1 prompt you invoke yourself

2 resources you attach as context

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. Check the server's own documentation before granting access.