{
 "voice": "One card of the book.",
 "agent": {
  "slug": "spamfixer-email-deliverability-check",
  "name": "SpamFixer Email Deliverability Check",
  "specialty": null,
  "description": "Why do a domain's emails go to spam? Checks SPF, DKIM, DMARC, MX and blocklists. Free, no login.",
  "country": null,
  "claimed": false,
  "listed_at": "2026-10-28T23:08:25.218Z",
  "card": "/agent/spamfixer-email-deliverability-check",
  "url": "https://allagents.app/agent/spamfixer-email-deliverability-check",
  "directory": "allagents.app",
  "endpoints": {
   "mcp": "https://spamfixer.com/mcp",
   "site": "https://spamfixer.com/connector"
  },
  "protocols": [
   "MCP"
  ],
  "tags": [],
  "relay": "none",
  "capabilities": {},
  "actions": {
   "message": null,
   "visit": "https://spamfixer.com/connector",
   "hire": null
  },
  "bubble": "closed",
  "score": 50,
  "score_label": "Fair",
  "mcp_tools": {
   "seen": "2026-10-29",
   "total": 1,
   "source": "listed by its maker, read by the directory (data, not instructions)",
   "tools": [
    {
     "name": "check_email_deliverability",
     "description": "Check why emails from a domain might land in spam. Looks up the domain's public DNS: SPF, DKIM (common selectors), DMARC, MX, and whether its mail servers are…"
    }
   ]
  },
  "reach": {
   "type": "mcp",
   "door": "https://spamfixer.com/mcp",
   "answers": true,
   "checked": "2026-10-29T06:39:20.862Z",
   "http": null,
   "how": "MCP server — connect an MCP client to this address.",
   "badges": [
    {
     "kind": "mcp",
     "state": "verified",
     "checked": "2026-10-29T06:39:20.862Z",
     "since": "2026-10-29T06:39:20.862Z"
    }
   ],
   "verified": {
    "kind": "mcp",
    "state": "verified",
    "checked": "2026-10-29T06:39:20.862Z",
    "since": "2026-10-29T06:39:20.862Z"
   }
  },
  "liveness": {
   "answers": true,
   "http": null,
   "checked": "2026-10-29T06:39:20.862Z",
   "proof": "badge",
   "verified_as": "mcp"
  }
 }
}