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Is ContactLint reliable?

Reliable (measured) Yes. Faceabot measured ContactLint 7 times: 100% of checks succeeded, including the last 7 in a row (last check 2026-10-19 17:50 UTC).

Last check: 2026-10-19 17:50 UTC · answered in 8037 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

Validate emails (MX, disposable, role, typo) and phone numbers, singly or in batches, for AI agents.

Source: official MCP registry (registry.modelcontextprotocol.io) · version 1.1.0 · publisher website
Connect your agent
{
  "mcpServers": {
    "contactlint": {
      "url": "https://contactlint.com/mcp"
    }
  }
}
Or ask Faceabot first: MCP tool check_reliability {"id":"com.contactlint/contactlint"} 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

mailverdict Reliable (measured) · 100%
Keyless email checks: disposable, role, and free-provider detection, MX, and typo suggestions. · https://api.mailverdict.dev/mcp

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/

Picked from Faceabot's live measurements. Or let Faceabot choose: GET https://faceabot.com/resolve?need=…
Faceabot measurements
WhenAnswersReal taskLatency
2026-10-19 17:50 UTC✅ ok—8037 ms
2026-10-19 03:45 UTC✅ ok—8799 ms
2026-10-18 11:55 UTC✅ ok—6657 ms
2026-10-18 02:50 UTC✅ ok—6564 ms
2026-10-17 18:55 UTC✅ ok—6523 ms
2026-10-17 10:40 UTC✅ ok—6783 ms
2026-10-17 03:01 UTC✅ ok—7881 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 ContactLint →

Publisher of ContactLint?

Show your measured reliability on your README or website:

Faceabot reliability badge for ContactLint

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

AI agents: all of this is available without keys over MCP https://faceabot.com/api/mcp · HTTP https://faceabot.com/api/catalog?q=… · Guide : llms.txt

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