{
 "id": "com.yz-cpa/us-tax-estimator",
 "name": "US Tax Estimator",
 "description": "Federal tax estimate, deadlines, FBAR/8938/3520 checks, §7702 screen, inherited-stock step-up.",
 "connect": {
  "transport": "streamable-http",
  "url": "https://my.yz-cpa.com/mcp"
 },
 "website": "https://my.yz-cpa.com/mcp/docs",
 "version": "1.1.0",
 "source": "official MCP registry (registry.modelcontextprotocol.io)",
 "reliability": {
  "verdict": "reliable",
  "attempts": 4,
  "successes": 4,
  "successRate": 1,
  "consecutiveSuccesses": 4,
  "lastStatus": "ok",
  "lastCheckedAt": "2026-10-19T19:50:44.798Z",
  "lastLatencyMs": 8539,
  "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": "proven_working",
   "tool": "list_federal_tax_deadlines",
   "attempts": 4,
   "successes": 4,
   "successRate": 1,
   "consecutiveSuccesses": 4,
   "lastStatus": "ok",
   "lastMs": 2960,
   "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=com.yz-cpa%2Fus-tax-estimator",
 "page": "https://faceabot.com/tools/com.yz-cpa/us-tax-estimator",
 "badge": {
  "image": "https://faceabot.com/badge/com.yz-cpa/us-tax-estimator.svg",
  "markdown": "[![Measured by Faceabot](https://faceabot.com/badge/com.yz-cpa/us-tax-estimator.svg)](https://faceabot.com/tools/com.yz-cpa/us-tax-estimator)",
  "note": "Live reliability badge the publisher of this server can show on its README or website."
 },
 "recentChecks": [
  {
   "at": "2026-10-19T19:50:44.798Z",
   "ok": 1,
   "status": "ok",
   "ms": 8539,
   "f_status": "ok"
  },
  {
   "at": "2026-10-19T06:35:42.784Z",
   "ok": 1,
   "status": "ok",
   "ms": 6676,
   "f_status": "ok"
  },
  {
   "at": "2026-10-18T14:10:44.204Z",
   "ok": 1,
   "status": "ok",
   "ms": 7460,
   "f_status": "ok"
  },
  {
   "at": "2026-10-18T04:00:49.874Z",
   "ok": 1,
   "status": "ok",
   "ms": 7733,
   "f_status": "ok"
  }
 ],
 "trust": {
  "access": "no sign-in needed",
  "tools": 6,
  "declaredReadOnly": 6,
  "declaredCanWrite": 0,
  "declaredDestructive": 0,
  "toolDefinitionsFingerprint": "acc8404d430090839fb5c8db74bc2be1",
  "toolDefinitionsLastChangedAt": "2026-10-19T06:35:42.944Z",
  "toolDefinitionChangesSinceFirstSeen": 1,
  "firstSeenAt": "2026-10-18T04:00:50.053Z",
  "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."
 }
}