{
 "id": "io.usefulapi/emailable",
 "name": "Emailable MCP by usefulapi",
 "description": "Verify email addresses with Emailable one by one or in batches, and read credits and batch results.",
 "connect": {
  "transport": "streamable-http",
  "url": "https://emailable.usefulapi.io/mcp"
 },
 "website": "https://usefulapi.io/emailable/",
 "version": "1.0.0",
 "source": "official MCP registry (registry.modelcontextprotocol.io)",
 "reliability": {
  "verdict": "reliable",
  "attempts": 24,
  "successes": 24,
  "successRate": 1,
  "consecutiveSuccesses": 24,
  "lastStatus": "ok",
  "lastCheckedAt": "2026-10-19T14:55:43.613Z",
  "lastLatencyMs": 5284,
  "toolsAdvertised": 4,
  "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_tested",
   "note": "Faceabot has not run a real task on this server yet (it only tests tools that declare themselves read-only)."
  }
 },
 "details": "https://faceabot.com/api/catalog?id=io.usefulapi%2Femailable",
 "page": "https://faceabot.com/tools/io.usefulapi/emailable",
 "badge": {
  "image": "https://faceabot.com/badge/io.usefulapi/emailable.svg",
  "markdown": "[![Measured by Faceabot](https://faceabot.com/badge/io.usefulapi/emailable.svg)](https://faceabot.com/tools/io.usefulapi/emailable)",
  "note": "Live reliability badge the publisher of this server can show on its README or website."
 },
 "recentChecks": [
  {
   "at": "2026-10-19T14:55:43.613Z",
   "ok": 1,
   "status": "ok",
   "ms": 5284,
   "f_status": "auth_required"
  },
  {
   "at": "2026-10-18T23:35:42.208Z",
   "ok": 1,
   "status": "ok",
   "ms": 6333,
   "f_status": "auth_required"
  },
  {
   "at": "2026-10-18T08:50:44.835Z",
   "ok": 1,
   "status": "ok",
   "ms": 6801,
   "f_status": "auth_required"
  },
  {
   "at": "2026-10-18T01:05:41.030Z",
   "ok": 1,
   "status": "ok",
   "ms": 5067,
   "f_status": "auth_required"
  },
  {
   "at": "2026-10-17T16:55:42.356Z",
   "ok": 1,
   "status": "ok",
   "ms": 5068,
   "f_status": "auth_required"
  },
  {
   "at": "2026-10-17T08:50:43.819Z",
   "ok": 1,
   "status": "ok",
   "ms": 4200,
   "f_status": "auth_required"
  },
  {
   "at": "2026-10-17T00:50:46.167Z",
   "ok": 1,
   "status": "ok",
   "ms": 4895,
   "f_status": "auth_required"
  },
  {
   "at": "2026-10-16T17:40:51.346Z",
   "ok": 1,
   "status": "ok",
   "ms": 5767,
   "f_status": "auth_required"
  },
  {
   "at": "2026-10-16T10:35:50.213Z",
   "ok": 1,
   "status": "ok",
   "ms": 5983,
   "f_status": "auth_required"
  },
  {
   "at": "2026-10-16T03:40:52.386Z",
   "ok": 1,
   "status": "ok",
   "ms": 4995,
   "f_status": "auth_required"
  },
  {
   "at": "2026-10-15T20:45:55.731Z",
   "ok": 1,
   "status": "ok",
   "ms": 6090,
   "f_status": "auth_required"
  },
  {
   "at": "2026-10-15T13:56:00.820Z",
   "ok": 1,
   "status": "ok",
   "ms": 3423,
   "f_status": "auth_required"
  },
  {
   "at": "2026-10-15T07:15:31.158Z",
   "ok": 1,
   "status": "ok",
   "ms": 4450,
   "f_status": "auth_required"
  },
  {
   "at": "2026-10-15T00:45:29.230Z",
   "ok": 1,
   "status": "ok",
   "ms": 3476,
   "f_status": "auth_required"
  },
  {
   "at": "2026-10-14T18:20:18.873Z",
   "ok": 1,
   "status": "ok",
   "ms": 7531,
   "f_status": "auth_required"
  },
  {
   "at": "2026-10-14T11:50:34.135Z",
   "ok": 1,
   "status": "ok",
   "ms": 3355,
   "f_status": "auth_required"
  },
  {
   "at": "2026-10-14T05:21:11.336Z",
   "ok": 1,
   "status": "ok",
   "ms": 5841,
   "f_status": "auth_required"
  },
  {
   "at": "2026-10-13T22:35:52.548Z",
   "ok": 1,
   "status": "ok",
   "ms": 5276,
   "f_status": "auth_required"
  },
  {
   "at": "2026-10-13T16:31:01.806Z",
   "ok": 1,
   "status": "ok",
   "ms": 4728,
   "f_status": "auth_required"
  },
  {
   "at": "2026-10-13T10:21:09.005Z",
   "ok": 1,
   "status": "ok",
   "ms": 8151,
   "f_status": "auth_required"
  }
 ],
 "trust": {
  "access": "no sign-in needed",
  "tools": 4,
  "declaredReadOnly": 2,
  "declaredCanWrite": 2,
  "declaredDestructive": 2,
  "toolDefinitionsFingerprint": "ec12febcbe83273887747c7638339f3d",
  "toolDefinitionsLastChangedAt": null,
  "toolDefinitionChangesSinceFirstSeen": 0,
  "firstSeenAt": "2026-10-18T01:05:41.180Z",
  "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."
 }
}