{
 "id": "io.usefulapi/benchmark-email",
 "name": "Benchmark Email MCP by usefulapi",
 "description": "Manage Benchmark Email lists and contacts, and read campaign reports: opens, clicks, bounces.",
 "connect": {
  "transport": "streamable-http",
  "url": "https://benchmark-email.usefulapi.io/mcp"
 },
 "website": "https://usefulapi.io/benchmark-email/",
 "version": "1.0.0",
 "source": "official MCP registry (registry.modelcontextprotocol.io)",
 "reliability": {
  "verdict": "reliable",
  "attempts": 30,
  "successes": 30,
  "successRate": 1,
  "consecutiveSuccesses": 30,
  "lastStatus": "ok",
  "lastCheckedAt": "2026-10-19T10:20:42.177Z",
  "lastLatencyMs": 5733,
  "toolsAdvertised": 25,
  "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%2Fbenchmark-email",
 "page": "https://faceabot.com/tools/io.usefulapi/benchmark-email",
 "badge": {
  "image": "https://faceabot.com/badge/io.usefulapi/benchmark-email.svg",
  "markdown": "[![Measured by Faceabot](https://faceabot.com/badge/io.usefulapi/benchmark-email.svg)](https://faceabot.com/tools/io.usefulapi/benchmark-email)",
  "note": "Live reliability badge the publisher of this server can show on its README or website."
 },
 "recentChecks": [
  {
   "at": "2026-10-19T10:20:42.177Z",
   "ok": 1,
   "status": "ok",
   "ms": 5733,
   "f_status": "auth_required"
  },
  {
   "at": "2026-10-18T17:30:46.517Z",
   "ok": 1,
   "status": "ok",
   "ms": 6627,
   "f_status": "auth_required"
  },
  {
   "at": "2026-10-18T05:45:46.814Z",
   "ok": 1,
   "status": "ok",
   "ms": 6424,
   "f_status": "auth_required"
  },
  {
   "at": "2026-10-17T21:50:43.191Z",
   "ok": 1,
   "status": "ok",
   "ms": 6949,
   "f_status": "auth_required"
  },
  {
   "at": "2026-10-17T13:20:44.878Z",
   "ok": 1,
   "status": "ok",
   "ms": 6456,
   "f_status": "auth_required"
  },
  {
   "at": "2026-10-17T05:40:43.687Z",
   "ok": 1,
   "status": "ok",
   "ms": 5838,
   "f_status": "auth_required"
  },
  {
   "at": "2026-10-16T21:55:48.961Z",
   "ok": 1,
   "status": "ok",
   "ms": 6451,
   "f_status": "auth_required"
  },
  {
   "at": "2026-10-16T14:51:00.924Z",
   "ok": 1,
   "status": "ok",
   "ms": 7698,
   "f_status": "auth_required"
  },
  {
   "at": "2026-10-16T07:51:01.123Z",
   "ok": 1,
   "status": "ok",
   "ms": 6319,
   "f_status": "auth_required"
  },
  {
   "at": "2026-10-16T00:55:51.104Z",
   "ok": 1,
   "status": "ok",
   "ms": 7184,
   "f_status": "auth_required"
  },
  {
   "at": "2026-10-15T18:02:30.966Z",
   "ok": 1,
   "status": "ok",
   "ms": 8567,
   "f_status": "auth_required"
  },
  {
   "at": "2026-10-15T11:16:00.801Z",
   "ok": 1,
   "status": "ok",
   "ms": 3719,
   "f_status": "auth_required"
  },
  {
   "at": "2026-10-15T04:40:30.251Z",
   "ok": 1,
   "status": "ok",
   "ms": 4036,
   "f_status": "auth_required"
  },
  {
   "at": "2026-10-14T22:15:19.489Z",
   "ok": 1,
   "status": "ok",
   "ms": 6535,
   "f_status": "auth_required"
  },
  {
   "at": "2026-10-14T15:45:20.550Z",
   "ok": 1,
   "status": "ok",
   "ms": 7803,
   "f_status": "auth_required"
  },
  {
   "at": "2026-10-14T09:15:34.158Z",
   "ok": 1,
   "status": "ok",
   "ms": 4069,
   "f_status": "auth_required"
  },
  {
   "at": "2026-10-14T02:36:12.790Z",
   "ok": 1,
   "status": "ok",
   "ms": 5788,
   "f_status": "auth_required"
  },
  {
   "at": "2026-10-13T20:20:57.466Z",
   "ok": 1,
   "status": "ok",
   "ms": 8423,
   "f_status": "auth_required"
  },
  {
   "at": "2026-10-13T14:15:58.569Z",
   "ok": 1,
   "status": "ok",
   "ms": 8234,
   "f_status": "auth_required"
  },
  {
   "at": "2026-10-13T08:11:02.424Z",
   "ok": 1,
   "status": "ok",
   "ms": 8539,
   "f_status": "auth_required"
  }
 ],
 "trust": {
  "access": "no sign-in needed",
  "tools": 25,
  "declaredReadOnly": 21,
  "declaredCanWrite": 4,
  "declaredDestructive": 4,
  "toolDefinitionsFingerprint": "fad34b94c4cbb744047edab8af6ad555",
  "toolDefinitionsLastChangedAt": null,
  "toolDefinitionChangesSinceFirstSeen": 0,
  "firstSeenAt": "2026-10-17T21:50:43.383Z",
  "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."
 }
}