Email Verification MCP Server

Model Context Protocol server that verifies whether an email address is deliverable — helping AI agents clean lead lists, validate signups, and reduce bounces.

Public Streamable HTTP endpoint

http://64.227.2.61/verify-mcp/mcp

Tools

Tool	Args	Returns
`verify_email_tool`	email, deep_check=false	JSON: verdict, score, flags, mx_host, reasons
`verify_emails_batch`	emails[list], deep_check=false	JSON: results array + by_verdict summary
`why_invalid`	email	JSON: verdict + human/machine reasons

Verdicts

Verdict	Meaning
valid	deliverable (MX found; SMTP accepted if deep-checked)
invalid	bad syntax or rejected by mail server
disposable	on disposable/temporary-email blocklist
invalid_domain	no MX records — domain likely nonexistent
unreachable	mail host unreachable
unknown	MX present, inconclusive

REST API (same engine)

POST http://64.227.2.61/verify/api/v1/email-verify · batch · payments (Solana USDC) · OpenAPI at /verify/openapi.json

Example

verify_email_tool(email="someone@mailinator.com")
→ {"email":"someone@mailinator.com","verdict":"disposable","score":10,
   "is_disposable":true,"reasons":["syntax_ok","disposable"]}

Contact: samayhuf@gmail.com