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mcp/harbor
Verified official

MailValid Email Verification MCP

v1.0.0

io.mailvalid/email-verifier

Verify emails: syntax, MX, SMTP mailbox, disposable, role and catch-all checks. Single and bulk.

transport:streamable-http tools:6
Website

Target client

run in your project directory 

claude mcp add --transport http email-verifier https://mailvalid.io/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

verify_email

verify email

submit_bulk_verification

submit bulk verification

get_bulk_job Read-only

get bulk job

list_bulk_jobs Read-only

list bulk jobs

cancel_bulk_job Mutating

cancel bulk job

get_credit_balance Read-only

get credit balance

All 6 tools, one page each

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.