Stamp for Claude.ai

com.clawhard/stamp

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

client:Claude.ai transport:streamable-http tools:2

Install Stamp in Claude.ai

Settings → Connectors → Add custom connector

https://stamp.clawhard.com/mcp

Claude on the web takes a remote URL and completes OAuth in the browser. For a packaged server use Claude Desktop or Claude Code instead. Claude.ai docs

What Claude.ai can do once it is connected

stamp_check_email_domain
stamp_check_dns_record

Stamp in other clients

Claude Code
Claude Desktop
Cursor
VS Code
Zed
Windsurf
Cline
Gemini CLI
Grok
ChatGPT
LangChain

Stamp MCP server