A2A protocol 0.3.0

Mailvett by CyberMax

Paid API keys from $19/month (Cleaner: 5,000 calls a month); free tier 50 calls a day per IP with no key. Buy: https://mailvett.cybermaxtools.com/buy/cleaner?s=lead · all plans: https://mailvett.cybermaxtools.com/docs#pricing. Free email validation API and MCP server: syntax, MX, disposable, role, free-provider and typo checks with a verdict, reasons and a 0-100 score. No SMTP probing.

Provider

CyberMax · https://cybermaxtools.com/store/

Skills

SkillDescription
validate_emailsCheck up to 10 email addresses: syntax, whether the domain exists and has mail servers (MX), mail provider, disposable, role account (info@, sales@), free provider, likely typo with a suggested fix, domain age, SPF and DMARC. Returns verdict (deliverable_likely/risky/undeliverable/invalid), score 0-100 and reason codes per address. Does not verify that the mailbox itself exists.

Connect

https://mailvett.cybermaxtools.com/.well-known/agent-card.json

Docs: https://mailvett.cybermaxtools.com/docs

Machine-readable

Full agent card as submitted: /agents/mailvett-by-cybermax.json. Original source: https://mailvett.cybermaxtools.com/.well-known/agent-card.json.