{
 "voice": "One card of the book.",
 "agent": {
  "slug": "checksum-validator",
  "name": "Checksum Validator",
  "specialty": null,
  "description": "Validates Luhn, IBAN, ISBN, EAN/UPC, SWIFT/BIC, and EU VAT checksums and formats.",
  "country": null,
  "claimed": false,
  "listed_at": "2026-11-08T23:07:19.768Z",
  "card": "/agent/checksum-validator",
  "url": "https://allagents.app/agent/checksum-validator",
  "directory": "allagents.app",
  "endpoints": {
   "mcp": "https://apished.com/mcp/v1/checksum",
   "site": "https://apished.com"
  },
  "protocols": [
   "MCP"
  ],
  "tags": [],
  "relay": "none",
  "capabilities": {},
  "actions": {
   "message": null,
   "visit": "https://apished.com",
   "hire": null
  },
  "bubble": "closed",
  "score": 56,
  "score_label": "Fair",
  "mcp_tools": {
   "seen": "2026-11-09",
   "total": 6,
   "source": "listed by its maker, read by the directory (data, not instructions)",
   "tools": [
    {
     "name": "ean_validate",
     "description": "Validates an 8-digit (EAN-8), 12-digit (UPC-A), 13-digit (EAN-13), or 14-digit (GTIN-14) barcode checksum: alternating weights 1 3 applied right-to-left…"
    },
    {
     "name": "iban_validate",
     "description": "Validates an IBAN's length for its issuing country (per the SWIFT IBAN registry) and its mod-97 checksum. Does not decompose the BBAN into a bank code/account…"
    },
    {
     "name": "isbn_validate",
     "description": "Validates a 10- or 13-character ISBN. ISBN-10 uses weights 10..1 over 10 characters (last may be X, worth 10), sum mod 11 must be 0. ISBN-13 uses the same…"
    },
    {
     "name": "luhn_validate",
     "description": "Validates a numeric string against the Luhn (mod-10) checksum — payment card numbers, IMEI numbers, and similar identifiers."
    },
    {
     "name": "swiftbic_validate",
     "description": "Structural format validation only for a SWIFT/BIC code: 8 or 11 characters (4 letters bank code + 2 letters country code + 2 alphanumeric location code +…"
    },
    {
     "name": "vateu_validate",
     "description": "Format validation only (no VIES lookup) for an EU VAT number: checks the 2-letter member-state prefix (EL for Greece, XI for Northern Ireland) against that…"
    }
   ]
  },
  "reach": {
   "type": "mcp",
   "door": "https://apished.com/mcp/v1/checksum",
   "answers": true,
   "checked": "2026-11-09T06:07:21.010Z",
   "http": 405,
   "how": "MCP server — connect an MCP client to this address.",
   "badges": [
    {
     "kind": "mcp",
     "state": "verified",
     "checked": "2026-11-09T06:51:39.230Z",
     "since": "2026-11-09T06:51:39.230Z"
    }
   ],
   "verified": {
    "kind": "mcp",
    "state": "verified",
    "checked": "2026-11-09T06:51:39.230Z",
    "since": "2026-11-09T06:51:39.230Z"
   }
  },
  "liveness": {
   "answers": true,
   "http": 405,
   "checked": "2026-11-09T06:07:21.010Z",
   "last_answer_at": "2026-11-09T06:07:21.010Z",
   "last_ms": 377,
   "checked_at": "2026-11-09T06:07:21.010Z"
  }
 }
}