{"slug":"mailtester-email-verification-63303719","name":"MailTester Email Verification","summary":"Verify emails (valid/invalid/risky/unknown): MX, SMTP, catch-all, disposable. Free agent key.","status":"live","indexable":true,"listed_since":"2026-10-25T17:50:45.774063Z","sources":[{"source":"mcp_registry","external_id":"com.mailtester/email-verification","owner_address":null,"seen_at":"2026-10-25T17:50:45.774063Z","removed_at":null}],"endpoints":[{"url":"https://app.mailtester.com/mcp","host":"app.mailtester.com","protocol":"mcp","state":"live","last_probe_at":"2026-10-26T04:31:18.039975Z","last_ok_at":"2026-10-26T04:31:18.039975Z","tools_count":9,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0},{"url":"https://app.mailtester.com/agent-gateway","host":"app.mailtester.com","protocol":"web","state":"live","last_probe_at":"2026-10-26T04:31:04.406494Z","last_ok_at":"2026-10-26T04:31:04.406494Z","tools_count":null,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0}],"also_listed_as":[],"payment_options":[],"usage":null,"notice":"Not affiliated with addrbook — claim or request removal."}