{
 "id": "io.mailvalid/email-verifier",
 "name": "MailValid Email Verification",
 "description": "Verify emails: syntax, MX, SMTP mailbox, disposable, role and catch-all checks. Single and bulk.",
 "connect": {
  "transport": "streamable-http",
  "url": "https://mailvalid.io/mcp/"
 },
 "website": "https://mailvalid.io",
 "version": "1.0.0",
 "source": "official MCP registry (registry.modelcontextprotocol.io)",
 "reliability": {
  "verdict": "reliable",
  "attempts": 13,
  "successes": 13,
  "successRate": 1,
  "consecutiveSuccesses": 13,
  "lastStatus": "ok",
  "lastCheckedAt": "2026-10-19T21:40:45.104Z",
  "lastLatencyMs": 7262,
  "toolsAdvertised": 6,
  "method": "MCP initialize + tools/list from Faceabot, identified as FaceabotProbe/1.0 plus, when the server declares a read-only tool (readOnlyHint), one call of that tool with a neutral sample input to check it really returns a result. Servers on the 2026-07-28 MCP revision (no initialize handshake) get the same checks in that revision",
  "work": {
   "verdict": "not_working",
   "tool": "get_credit_balance",
   "attempts": 13,
   "successes": 0,
   "successRate": 0,
   "consecutiveSuccesses": 0,
   "lastStatus": "tool_error",
   "lastMs": 4421,
   "sampleInput": "{}",
   "method": "Faceabot calls one read-only tool (annotations.readOnlyHint) with a neutral sample input and checks that it returns a non-empty result without error."
  }
 },
 "details": "https://faceabot.com/api/catalog?id=io.mailvalid%2Femail-verifier",
 "page": "https://faceabot.com/tools/io.mailvalid/email-verifier",
 "badge": {
  "image": "https://faceabot.com/badge/io.mailvalid/email-verifier.svg",
  "markdown": "[![Measured by Faceabot](https://faceabot.com/badge/io.mailvalid/email-verifier.svg)](https://faceabot.com/tools/io.mailvalid/email-verifier)",
  "note": "Live reliability badge the publisher of this server can show on its README or website."
 },
 "recentChecks": [
  {
   "at": "2026-10-19T21:40:45.104Z",
   "ok": 1,
   "status": "ok",
   "ms": 7262,
   "f_status": "tool_error"
  },
  {
   "at": "2026-10-19T09:10:43.858Z",
   "ok": 1,
   "status": "ok",
   "ms": 6257,
   "f_status": "tool_error"
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   "at": "2026-10-18T16:15:44.174Z",
   "ok": 1,
   "status": "ok",
   "ms": 7658,
   "f_status": "tool_error"
  },
  {
   "at": "2026-10-18T05:05:47.640Z",
   "ok": 1,
   "status": "ok",
   "ms": 8729,
   "f_status": "tool_error"
  },
  {
   "at": "2026-10-17T21:10:44.861Z",
   "ok": 1,
   "status": "ok",
   "ms": 7180,
   "f_status": "tool_error"
  },
  {
   "at": "2026-10-17T12:40:47.285Z",
   "ok": 1,
   "status": "ok",
   "ms": 6263,
   "f_status": "tool_error"
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  {
   "at": "2026-10-17T04:55:45.414Z",
   "ok": 1,
   "status": "ok",
   "ms": 6716,
   "f_status": "tool_error"
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  {
   "at": "2026-10-16T21:15:43.673Z",
   "ok": 1,
   "status": "ok",
   "ms": 4457,
   "f_status": "tool_error"
  },
  {
   "at": "2026-10-16T14:05:49.762Z",
   "ok": 1,
   "status": "ok",
   "ms": 6146,
   "f_status": "tool_error"
  },
  {
   "at": "2026-10-16T07:05:51.600Z",
   "ok": 1,
   "status": "ok",
   "ms": 6118,
   "f_status": "tool_error"
  },
  {
   "at": "2026-10-16T00:10:53.874Z",
   "ok": 1,
   "status": "ok",
   "ms": 7128,
   "f_status": "tool_error"
  },
  {
   "at": "2026-10-15T17:16:38.602Z",
   "ok": 1,
   "status": "ok",
   "ms": 9214,
   "f_status": "tool_error"
  },
  {
   "at": "2026-10-15T10:31:03.231Z",
   "ok": 1,
   "status": "ok",
   "ms": 4598,
   "f_status": "tool_error"
  }
 ],
 "trust": {
  "access": "no sign-in needed",
  "tools": 6,
  "declaredReadOnly": 3,
  "declaredCanWrite": 3,
  "declaredDestructive": 1,
  "toolDefinitionsFingerprint": "74906fa7b0462a74d1c0dd0357037972",
  "toolDefinitionsLastChangedAt": null,
  "toolDefinitionChangesSinceFirstSeen": 0,
  "firstSeenAt": "2026-10-17T21:10:45.032Z",
  "protocol": "2025-06-18",
  "warnings": [],
  "note": "Facts observed by Faceabot when it last read this server's tool list. 'Can write' counts tools not declared read-only (annotations are self-declared). A changed fingerprint means tool names, descriptions or schemas changed since Faceabot first saw them: re-check before trusting an earlier approval."
 }
}