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Is x402 Email Verifier reliable?

Reliable (measured) Yes. Faceabot measured x402 Email Verifier 7 times: 100% of checks succeeded, including the last 7 in a row (last check 2026-10-19 21:25 UTC).

Last check: 2026-10-19 21:25 UTC · answered in 7874 ms · remote (no install)

En français : Fiable (mesuré). Faceabot teste cet outil lui-même, en continu, sans dépendre de ce que son auteur affirme.

What it does

Email verification for AI agents: syntax, MX, disposable, role, score. $0.001 USDC/call via x402.

Source: official MCP registry (registry.modelcontextprotocol.io) · version 0.1.1 · publisher website
Connect your agent
{
  "mcpServers": {
    "email-verifier": {
      "url": "https://x402-email-verifier.microtools-x402.workers.dev/mcp"
    }
  }
}
Or ask Faceabot first: MCP tool check_reliability {"id":"dev.workers.microtools-x402.x402-email-verifier/email-verifier"} on https://faceabot.com/api/mcp.
Does it actually do the job?

Not tested with a real task yet. Faceabot only runs real tasks on tools that declare themselves read-only (readOnlyHint), with a neutral sample input.

Other proven tools for the same job

MailValid Email Verification Reliable (measured) · 100%
Verify emails: syntax, MX, SMTP mailbox, disposable, role and catch-all checks. Single and bulk. · https://mailvalid.io/mcp/

email-verify-mcp Reliable (measured) · 100%
Validates email syntax, disposable/burner provider status, role accounts, and live DNS records. · https://email-verify-72343955726.us-central1.run.app/mcp/email-verify

Email Check Reliable (measured) · 100%
Fast email validation at the edge: syntax, MX records, disposable-domain detection. · https://email-check.david-cyr.workers.dev/mcp

Picked from Faceabot's live measurements. Or let Faceabot choose: GET https://faceabot.com/resolve?need=…
Faceabot measurements
WhenAnswersReal taskLatency
2026-10-19 21:25 UTC✅ ok—7874 ms
2026-10-19 08:50 UTC✅ ok—7015 ms
2026-10-18 16:00 UTC✅ ok—7565 ms
2026-10-18 05:00 UTC✅ ok—6256 ms
2026-10-17 21:05 UTC✅ ok—5982 ms
2026-10-17 12:40 UTC✅ ok—7397 ms
2026-10-17 05:00 UTC✅ ok—7546 ms
Method: MCP initialize then tools/list from Faceabot (FaceabotProbe/1.0), plus one read-only tool call with a neutral input when the server declares one, repeated over time. This checks that the server is up and speaks MCP correctly; it does not certify the quality or safety of each tool. How measurement works.

Find tools similar to x402 Email Verifier →

Publisher of x402 Email Verifier?

Show your measured reliability on your README or website:

Faceabot reliability badge for x402 Email Verifier

[![Measured by Faceabot](https://faceabot.com/badge/dev.workers.microtools-x402.x402-email-verifier/email-verifier.svg)](https://faceabot.com/tools/dev.workers.microtools-x402.x402-email-verifier/email-verifier)
Data in JSON: /api/catalog?id=dev.workers.microtools-x402.x402-email-verifier/email-verifier · Stop probes: POST /api/reliability/opt-out

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