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mcp/harbor
Claude Code

mailsink for Claude Code

io.github.heocoi/mailsink

Disposable inboxes for AI agents and CI: catch the verification email, read the OTP or link.

client:Claude Code transport:stdio runtime:npm

Install mailsink in Claude Code

run in your project directory

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

claude mcp add mailsink -e MAILSINK_API_KEY=<MAILSINK_API_KEY> -e MAILSINK_API_URL=<MAILSINK_API_URL> -- npx -y @mailsink/mcp

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

mailsink in other clients

mailsink MCP server