com.mailtester/email-verification · v1.0.1 · communication
MailTester Email Verification is healthy: it completed an MCP handshake in 3698 ms and exposes 9 tools. It scores 62/100.
Verify emails (valid/invalid/risky/unknown): MX, SMTP, catch-all, disposable. Free agent key.
Endpoint: https://app.mailtester.com/mcp (streamable-http)
Repository · Website · JSON · Add to my inventory
| health | 17 / 25 |
| authEase | 15 / 15 |
| toolQuality | 15 / 15 |
| maintenance | 7 / 15 |
| adoption | 0 / 10 |
| usage | 0 / 10 |
| security | 8 / 10 |
Scoring v0.3, computed 2026-10-14T20:26:17.232Z.
| Checked (UTC) | Status | Latency | Error |
|---|---|---|---|
| 2026-10-14T20:25:48.306Z | Healthy | 3698 |
get_api_key | Get your own free API key for this server (no account needed; 25 email verifications per day). Optional: the verification tools already work without a key on a shared trial. Returns the key once — reconnect with 'Authorization: Bearer <api_key>' for your own quota and the list tools. |
get_credit_balance | Get the current credit balance and a short usage summary for the account. |
list_lists | List the user's bulk verification lists/jobs, most recent first. |
get_list | Get the details of a single bulk verification list by its id. |
explain_result | Explain what a verification status or reason means in plain English, with a send recommendation. Covers valid, invalid, catch-all/accept-all, unknown, greylisted, disposable, role, free, spam-trap, abuse, do-not-mail, no-mx, disabled, and network. Use when a user asks what a result means. |
verify_email | Verify the deliverability of a single email address. Returns a verdict (valid, invalid, risky, unknown). Costs 1 credit. |
verify_batch | Verify a batch of email addresses (up to 25 per call with an agent key). Returns per-email verdicts and saves a list. Costs 1 credit per email. |
estimate_cost | Estimate the credit cost of a verification before running it, and whether the user can afford it. Provide either a count of emails, a list_id to re-verify, or an operation ('single'/'finder'). Always quote this before proposing anything billable. |
get_batch_status | Get the progress and status of a bulk verification list/job by id. |